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      "slug": "para-technical-briefing",
      "title": "Para Technical Briefing",
      "company": {
        "name": "Para",
        "href": "https://api.v-sum.com/companies/para"
      },
      "presenter": "Nitya Subramanian",
      "event": {
        "name": "Day Zero 06",
        "href": "https://api.v-sum.com/events/day-zero-06"
      },
      "description": "Para's Nitya Subramanian demos Para's wallet infrastructure for agentic commerce at Day Zero 06, framed around three problems with agentic payments today: hard wallet UX, plain-text private keys, and missing guardrails. Paramodal turns email verification into a fully functional wallet in seconds. The REST API provisions agent wallets with IP allowlists so a wallet for an OpenWebUI agent on a single Mac mini can only be exercised from that exact IP, then signs messages and raw transactions across Solana, Stellar, EVM, and Cosmos. Para's permissions feature enforces app-wide policies — scopes for transfers and signing, conditions like 'transaction amount < 1', plus distinct bypass and autonomous-with-policy modes for agents — at the MPC cryptography layer rather than in app code. Modular Para clients can be wrapped with x402 or MPP forwarders to slot directly into agent-payment flows.",
      "tags": [
        "wallets",
        "agentic-payments",
        "permissions",
        "Para",
        "Day Zero 06"
      ],
      "youtube_id": "bemopJ-zFfk",
      "youtube_url": "https://www.youtube.com/watch?v=bemopJ-zFfk",
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    {
      "slug": "radius-technical-briefing",
      "title": "Radius Technical Briefing",
      "company": {
        "name": "Radius",
        "href": "https://api.v-sum.com/companies/radius"
      },
      "presenter": "Tyler Frederick",
      "event": {
        "name": "Day Zero 06",
        "href": "https://api.v-sum.com/events/day-zero-06"
      },
      "description": "Radius's Tyler Frederick walks through Radius — stablecoin infrastructure aimed at millions of transactions per second to power agentic microtransactions like sub-penny purchases of data, inference, or compute — at Day Zero 06. The demo uses a fictional security/risk-assessment API called EdgeMeter, which currently blocks the ~50% of web traffic that is bots with 403s. Flip on x402 with per-request sub-penny pricing and the same bot traffic becomes monetized agent demand: live MetaMask-driven traffic settles in real time on Radius mainnet with revenue accruing per call. The deploy story is just as fast — a Claude session uses the open-source Radius x402 skill to ship a Cloudflare Worker endpoint, and a parallel buyer agent provisions a wallet, hits the Radius mainnet faucet for a 1-cent SBC drip (which funds 100 transactions at Radius's 1/100¢ per tx), then completes a paid call end-to-end in under five minutes.",
      "tags": [
        "stablecoins",
        "microtransactions",
        "x402",
        "Radius",
        "agentic-payments",
        "Day Zero 06"
      ],
      "youtube_id": "uzRGT62QUMY",
      "youtube_url": "https://www.youtube.com/watch?v=uzRGT62QUMY",
      "briefing_url": "https://v-sum.com/briefing/radius-technical-briefing",
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    {
      "slug": "stellar-technical-briefing",
      "title": "Stellar Technical Briefing",
      "company": {
        "name": "Stellar",
        "href": "https://api.v-sum.com/companies/stellar"
      },
      "presenter": "James Bachini",
      "event": {
        "name": "Day Zero 06",
        "href": "https://api.v-sum.com/events/day-zero-06"
      },
      "description": "Stellar's James Bachini ships a complete x402 server in 30 lines of code at Day Zero 06: a single Node.js file that gates a \"secret number\" behind a 0.01 USDC payment on Stellar Pubnet (Stellar's mainnet). The server uses the OpenZeppelin x402 facilitator as a relayer that sponsors transaction fees — agents move USDC at near-zero cost, a new paradigm for agentic systems transacting at scale. Important Stellar gotcha: a recipient wallet must establish a USDC trustline before it can receive payments; James recommends sending a 0.1 USDC test first to verify. On the buyer side, an open-source MCP server is registered into Codex via 'codex mcp add x42-stellar', backed by a hot wallet whose Stellar secret key lives in a .env variable. Codex loads the MCP, recognizes the x402 challenge on a fetch, signs and submits the payment, and returns the secret content — all visible end-to-end on a Stellar block explorer. Server + buyer + first paid microtransaction in under ten minutes.",
      "tags": [
        "Stellar",
        "x402",
        "USDC",
        "MCP",
        "agentic-payments",
        "Day Zero 06"
      ],
      "youtube_id": "i1JUfrHg3_A",
      "youtube_url": "https://www.youtube.com/watch?v=i1JUfrHg3_A",
      "briefing_url": "https://v-sum.com/briefing/stellar-technical-briefing",
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    {
      "slug": "stable-coin-technical-briefing",
      "title": "Stable Coin Technical Briefing",
      "company": {
        "name": "The Stable Coin Company",
        "href": "https://api.v-sum.com/companies/the-stable-coin-company"
      },
      "presenter": "Jeff Milewski",
      "event": {
        "name": "Day Zero 06",
        "href": "https://api.v-sum.com/events/day-zero-06"
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      "description": "The Stable Coin Company's Jeff Milewski demos agents.stablecoin.xyz at Day Zero 06 — an agent-payments platform built on Para wallet infrastructure and Brale webhooks that wraps any API endpoint as an x402-monetized resource on the Radius network. Seller side: a local Express CPI mock API gets x402 middleware (1/10¢ per call, SBC on Radius) auto-implemented by Claude Code from a generated integration prompt; the gated 402 response advertises the wallet address, asset, and price. Buyer side: a \"Day Zero demo\" agent on Para uses preconfigured policies (per-transaction limits, dollar caps, seller allow lists) and abstracts its private key behind an API key. The buyer wallet is funded by bridging SBC from Base to Radius via Brale-powered webhooks. A public GitHub template deployed on Pinata Cloud as an OpenWebUI instance auto-loads the SBC agent ID + API key, so the agent retrieves the gated CPI data through an x402 micro-payment with no further setup — closing the seller-to-buyer loop in a single live demo.",
      "tags": [
        "stablecoins",
        "x402",
        "agentic-payments",
        "Stable Coin Company",
        "Day Zero 06"
      ],
      "youtube_id": "VzTmIEYbr_g",
      "youtube_url": "https://www.youtube.com/watch?v=VzTmIEYbr_g",
      "briefing_url": "https://v-sum.com/briefing/stable-coin-technical-briefing",
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      "slug": "brale-technical-briefing",
      "title": "Brale Technical Briefing",
      "company": {
        "name": "Brale",
        "href": "https://api.v-sum.com/companies/brale"
      },
      "presenter": "Chase Merlin",
      "event": {
        "name": "Day Zero 06",
        "href": "https://api.v-sum.com/events/day-zero-06"
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      "description": "Brale's Chase Merlin walks through Brale's new webhook product at Day Zero 06 — webhooks that publish signed lifecycle events as transfers settle, eliminating the need for clients to poll for status. The reference neobank app, built on the Brale stablecoin operating system, receives a transfer-completion event in roughly 18 seconds after a Solana transfer, then again on Spark, with signature verification, dedupe, and live balance + activity updates baked in. A single flexible transfer-request endpoint handles on-chain, off-chain, mint, RTP off-ramp, and cross-chain flows — and webhooks fire on the same event model for every variant. Closing pointer to a same-day blog post measuring a ~20% latency reduction versus polling-based integrations.",
      "tags": [
        "stablecoins",
        "webhooks",
        "Brale",
        "Day Zero 06"
      ],
      "youtube_id": "4R-xQ0TwCig",
      "youtube_url": "https://www.youtube.com/watch?v=4R-xQ0TwCig",
      "briefing_url": "https://v-sum.com/briefing/brale-technical-briefing",
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      "slug": "compass-labs-technical-briefing",
      "title": "Compass Labs Technical Briefing",
      "company": {
        "name": "Compass Labs",
        "href": "https://api.v-sum.com/companies/compass-labs"
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      "presenter": "Elisabeth Duijnstee",
      "event": {
        "name": "V-Sum TwentyTwo",
        "href": "https://api.v-sum.com/events/twentytwo"
      },
      "description": "Compass Labs CEO Elisabeth Duijnstee walks through how fintechs and neobanks can embed DeFi products — stablecoin yield, crypto-backed loans, and tokenized stocks — through a single non-custodial API. The briefing includes a live build in Compass Studio of a white-label USDC savings account on Base, a $5 deposit into a Gauntlet USDC Prime vault, and a tour of position reporting, segregated sub-accounts for crypto-backed credit, and an LLM-friendly docs surface designed for coding agents like Claude Code.",
      "tags": [
        "Compass Labs",
        "DeFi",
        "Stablecoin"
      ],
      "youtube_id": "lN5PjPoTFG4",
      "youtube_url": "https://www.youtube.com/watch?v=lN5PjPoTFG4",
      "briefing_url": "https://v-sum.com/briefing/compass-labs-technical-briefing",
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          "href": "https://api.v-sum.com/briefings/compass-labs-technical-briefing"
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          "href": "https://api.v-sum.com/briefings"
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      "slug": "ideem-technical-briefing",
      "title": "Ideem Technical Briefing",
      "company": {
        "name": "Ideem",
        "href": "https://api.v-sum.com/companies/ideem"
      },
      "presenter": "Toby Rush",
      "event": {
        "name": "V-Sum TwentyTwo",
        "href": "https://api.v-sum.com/events/twentytwo"
      },
      "description": "Ideem CEO Toby Rush walks through how modern cryptography can deliver invisible possession-factor authentication for banks, neobanks, and agentic-commerce flows. The briefing covers Ideem's FIDO + multi-party-computation \"chip in software\" model, device-plus-passkey binding on the same challenge, and a live Android demo of app-to-app bridging where a merchant webview verifies trust with a previously enrolled Yes Bank app via a silent push and an encrypted local channel — with no human in the loop.",
      "tags": [
        "ideem",
        "wallet"
      ],
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          "href": "https://api.v-sum.com/briefings"
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    {
      "slug": "tempo-technical-briefing",
      "title": "Tempo Technical Briefing",
      "company": {
        "name": "Tempo",
        "href": "https://api.v-sum.com/companies/tempo"
      },
      "presenter": "Brendan Ryan",
      "event": {
        "name": "V-Sum TwentyTwo",
        "href": "https://api.v-sum.com/events/twentytwo"
      },
      "description": "Tempo's Brendan Ryan introduces the Machine Payments Protocol (MPP), designed with Stripe as the payment form for AI agents. The briefing shows how MPP rides natively on HTTP request/response flows so agents can make paid API calls without preconfigured API keys or billing relationships, with live demos paying Parallel for web data and unlocking a payment-gated article via HTTP 402 — across Tempo, Stripe, Solana, Bitcoin payment methods, and Visa cards from day one.",
      "tags": [
        "Tempo",
        "Stripe"
      ],
      "youtube_id": "Ph8z2SjV3F0",
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      "briefing_url": "https://v-sum.com/briefing/tempo-technical-briefing",
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          "href": "https://api.v-sum.com/briefings"
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      }
    },
    {
      "slug": "v-stride",
      "title": "Stride Technical Briefing",
      "company": {
        "name": "Stride",
        "href": "https://api.v-sum.com/companies/stride"
      },
      "presenter": null,
      "event": {
        "name": "V-Sum TwentyOne",
        "href": "https://api.v-sum.com/events/twentyone"
      },
      "description": "Stride.ai co-founder Virajendra Daita walks through the company's unified AI platform for financial institutions — Doc AI for multi-language document processing, Web AI for no-code scraping of regulator and market sources, and an NLU layer for entity extraction and semantic search. The briefing covers an enterprise KYC orchestration that cuts corporate onboarding from ~29 days to ~1 day (saving €2M+/year), an 80,000-docs-per-day remittance processor, and live demos of KYC screening via Refinitiv and structured + unstructured document extraction.",
      "tags": [
        "identity",
        "compliance",
        "developer-tools"
      ],
      "youtube_id": "ZAPeHt8fURs",
      "youtube_url": "https://www.youtube.com/watch?v=ZAPeHt8fURs",
      "briefing_url": "https://v-sum.com/briefing/v-stride",
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          "href": "https://api.v-sum.com/briefings/v-stride"
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          "href": "https://api.v-sum.com/briefings"
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    },
    {
      "slug": "v-sila",
      "title": "Sila Technical Briefing",
      "company": {
        "name": "Sila",
        "href": "https://api.v-sum.com/companies/sila"
      },
      "presenter": "Shamir Kharkel",
      "event": {
        "name": "V-Sum Twenty",
        "href": "https://api.v-sum.com/events/twenty"
      },
      "description": "Shamir Karkal, co-founder of Sila and previously Simple and BBVA\\'s API platforms, demos the Sila money API — a developer-first platform built around three primitives (users, wallets, transactions) that lets any builder onboard users, run KYC, link bank accounts, and move ACH. The demo app at demo.silamoney.com onboards both individuals and businesses via unique alphanumeric handles; KYC runs asynchronously through Socure/LexisNexis (3–15 seconds typical) with document-upload fallback for IDs or formation docs. Every user gets one wallet by default but can own many (one-to-many), enabling segregated-account patterns. Sila supports three ways to link bank accounts: raw routing+account entry, your own Plaid integration via processor tokens, or Sila\\'s managed Plaid instance (Plaid sandbox user_good/pass_good). Same-day ACH pulls $1,234 into the wallet in roughly five minutes in sandbox — deliberately slow so developers don\\'t build code expecting real-time settlement. Wallet-to-wallet transfers settle on Sila\\'s ledger in seconds; external redeems push ACH out to any linked bank account.",
      "tags": [
        "payments",
        "banking-as-a-service",
        "developer-tools"
      ],
      "youtube_id": "eDvvEokYlvE",
      "youtube_url": "https://www.youtube.com/watch?v=eDvvEokYlvE",
      "briefing_url": "https://v-sum.com/briefing/v-sila",
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          "href": "https://api.v-sum.com/briefings/v-sila"
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          "href": "https://api.v-sum.com/briefings"
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    {
      "slug": "v-nval",
      "title": "Nval Technical Briefing",
      "company": {
        "name": "Nval",
        "href": "https://api.v-sum.com/companies/nval"
      },
      "presenter": null,
      "event": {
        "name": "V-Sum Twenty",
        "href": "https://api.v-sum.com/events/twenty"
      },
      "description": "NVAL demos pricing infrastructure for illiquid assets, starting with NFTs. Using AI and on-chain data feeds, NVAL produces fair market values for NFTs in near real time — foundational for any financial workflow (lending, borrowing, insuring, trading) on non-fungible assets that have no spot price. NVAL sits as an analytics layer between blockchains (L1s, L2s, cross-chain) and the industries building on top (gaming, sports, trade finance, accounting, lending). Mark (CTO) walks through the REST API documented with OpenAPI: a \"try it out\" docs UI, a Postman collection, and a CLI all return the same price prediction for a specific NFT (the demo values a Doodle at 3.3 ETH with 96% confidence, sitting between the listed price of 4.2 ETH and the highest offer of 2.8 ETH). A Chrome extension surfaces NVAL prices on OpenSea pages, and the NVAL web app shows floor price, listed price, and price history against actual trade prints. The price-history endpoint returns 52 weekly data points across a year (configurable daily). Feature importance breaks down what drives price — 96% market action for a Doodle, 72% market action + 30% accessory-trait for a CryptoPunk — giving traders a way to understand why NVAL priced an NFT where it did.",
      "tags": [
        "capital-markets",
        "investing",
        "nft"
      ],
      "youtube_id": "6JPj_jppp48",
      "youtube_url": "https://www.youtube.com/watch?v=6JPj_jppp48",
      "briefing_url": "https://v-sum.com/briefing/v-nval",
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          "href": "https://api.v-sum.com/briefings"
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    {
      "slug": "v-ntropy",
      "title": "Ntropy Technical Briefing",
      "company": {
        "name": "Ntropy",
        "href": "https://api.v-sum.com/companies/ntropy"
      },
      "presenter": null,
      "event": {
        "name": "V-Sum Twenty",
        "href": "https://api.v-sum.com/events/twenty"
      },
      "description": "Amelia Niemi, co-founder and CTO of Ntropy, walks through the Ntropy transaction enrichment and categorization API. Raw bank transactions go in, structured data comes out — category, merchant identity, logo, location, website, recurrence pattern, active and cancelled subscriptions, and detected income sources. A live Python quickstart shows four lines of code enriching a 1,500-row CSV (roughly 12–18 months of transaction history); the Ntropy app then surfaces the same data in a PFM-style UI. Amelia walks through Ntropy's benchmarks against GPT-4 — about 2,000× cheaper per transaction, 150× faster, and 15× more accurate on the hardest cases — before ML engineer Robin demos \"Ntropy Cookie,\" a Discord chatbot that lets end users ask natural-language questions about their own spending: essentials vs non-essentials, savings opportunities, bank fees.",
      "tags": [
        "data-infrastructure",
        "developer-tools"
      ],
      "youtube_id": "jhymM6Zy_GA",
      "youtube_url": "https://www.youtube.com/watch?v=jhymM6Zy_GA",
      "briefing_url": "https://v-sum.com/briefing/v-ntropy",
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          "href": "https://api.v-sum.com/briefings/v-ntropy"
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          "href": "https://api.v-sum.com/briefings"
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    },
    {
      "slug": "v-ansible",
      "title": "Ansible Labs Technical Briefing",
      "company": {
        "name": "Ansible Labs",
        "href": "https://api.v-sum.com/companies/ansible-labs"
      },
      "presenter": null,
      "event": {
        "name": "V-Sum Nineteen",
        "href": "https://api.v-sum.com/events/nineteen"
      },
      "description": "Ansible Labs co-founder Dan demos Beam, the team's crypto-to-cash off-ramp, at V-Sum Nineteen. The briefing covers wallet-connect onboarding, blockchain risk screening (TRM Labs / Chainalysis / Elliptic) on both the enrolled wallet and the source-of-funds address, Persona KYC, and a unique 1:1 smart-contract Beam address tied to a user + bank-account pair. A live production $15 off-ramp lands in a Bank of America account via RTP in minutes, with ACH, RTP, and push-to-card (Visa Direct / Mastercard Send) on the payout roadmap.",
      "tags": [
        "crypto-infrastructure",
        "defi",
        "payments"
      ],
      "youtube_id": "U4Y0IWcQh2o",
      "youtube_url": "https://www.youtube.com/watch?v=U4Y0IWcQh2o",
      "briefing_url": "https://v-sum.com/briefing/v-ansible",
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          "href": "https://api.v-sum.com/briefings/v-ansible"
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          "href": "https://api.v-sum.com/briefings"
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      }
    },
    {
      "slug": "v-fairplay",
      "title": "Fairplay Technical Briefing",
      "company": {
        "name": "Fairplay",
        "href": "https://api.v-sum.com/companies/fairplay"
      },
      "presenter": "Kareem Saleh",
      "event": {
        "name": "V-Sum Nineteen",
        "href": "https://api.v-sum.com/events/nineteen"
      },
      "description": "Fairplay founder and CEO Kareem Saleh walks through \"fairness as a service\" for any algorithm making high-stakes decisions. The briefing demos customer composition and demographic imputation, proxy detection on a bias-vs-predictive-power matrix, fair lending analysis across women, Black, Hispanic, API, and American Indian applicants with Shapley-based driver attribution, census-tract-level geographic maps, a Fairness Optimizer that adds $1M of profit while closing Black-applicant approval gaps, SR 11-7 model risk documentation, and second-look models that surface thousands of additional approvals from declined applications.",
      "tags": [
        "compliance",
        "lending"
      ],
      "youtube_id": "J1qHNdlOi7o",
      "youtube_url": "https://www.youtube.com/watch?v=J1qHNdlOi7o",
      "briefing_url": "https://v-sum.com/briefing/v-fairplay",
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        "self": {
          "href": "https://api.v-sum.com/briefings/v-fairplay"
        },
        "collection": {
          "href": "https://api.v-sum.com/briefings"
        }
      }
    },
    {
      "slug": "v-orb",
      "title": "Orb Technical Briefing",
      "company": {
        "name": "Orb",
        "href": "https://api.v-sum.com/companies/orb"
      },
      "presenter": "Alvaro Morales",
      "event": {
        "name": "V-Sum Eighteen",
        "href": "https://api.v-sum.com/events/eighteen"
      },
      "description": "Alvaro, co-founder and CEO of Orb, demos Orb — billing and invoicing built for the hybrid usage-based pricing models common in fintech, cloud infrastructure, and developer platforms. Orb\\'s primitive is the event: API calls, sessions, or any product action, ingested via direct API push or warehouse sync from Snowflake/Redshift/S3 with a name and a payload of tags and values. From events, operators define metrics — simple filters and aggregations (count of API calls at a balance endpoint) or full custom SQL for more sophisticated MAU or dimensional cases. Plans compose any number of fixed fees (e.g. a $100k annual platform-access fee) and usage-based fees (flat rate per call, tiered volume discounts, dimensional pricing tagged into event properties), with out-of-the-box support for minimums, discounts, trials, and \"phases\" that stage fee schedules over a customer\\'s onboarding ramp. The payoff: billing becomes a real-time process instead of a month-end batch — live next-invoice previews, transparent customer invoices tied to underlying usage, webhook alerts on cost/usage thresholds (upsell banners, CSM alerts, Zapier/Slack), and a Salesforce integration that syncs usage into opportunity pages for sales reps experimenting with consumption-based pricing.",
      "tags": [
        "payments",
        "developer-tools"
      ],
      "youtube_id": "cmwQus1DPv8",
      "youtube_url": "https://www.youtube.com/watch?v=cmwQus1DPv8",
      "briefing_url": "https://v-sum.com/briefing/v-orb",
      "_links": {
        "self": {
          "href": "https://api.v-sum.com/briefings/v-orb"
        },
        "collection": {
          "href": "https://api.v-sum.com/briefings"
        }
      }
    },
    {
      "slug": "v-oasis",
      "title": "Oasis Labs Technical Briefing",
      "company": {
        "name": "Oasis Labs",
        "href": "https://api.v-sum.com/companies/oasis-labs"
      },
      "presenter": "Nick Hynes",
      "event": {
        "name": "V-Sum Eighteen",
        "href": "https://api.v-sum.com/events/eighteen"
      },
      "description": "Oasis Labs demos on-chain verifiable credentials and selective disclosure on the Oasis confidential EVM. The thesis: put KYC/KYB data on-chain once with a trusted issuer (Equifax-rooted in this demo), then reuse it across web3 protocols without re-doing verification per counterparty — while giving users revocable, selective control over exactly what each verifier sees. The demo walks end-to-end through requesting a credential via identity.oasislabs.com, receiving both an NFT credential on the non-confidential Emerald chain and the full identity data stored confidentially on Sapphire (Oasis's confidential EVM, backed by trusted hardware), granting a demo website access to just the \"is over 18\" property, calling the isOver18 view from an Express backend, and revoking access afterwards. Broader use cases: credit score disclosure, zip-code mortgage / insurance quoting, and any flow that needs a derived fact rather than raw PII.",
      "tags": [
        "blockchain",
        "data-infrastructure",
        "identity"
      ],
      "youtube_id": "WMNcAaIBi4c",
      "youtube_url": "https://www.youtube.com/watch?v=WMNcAaIBi4c",
      "briefing_url": "https://v-sum.com/briefing/v-oasis",
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    },
    {
      "slug": "v-primetrust",
      "title": "Prime Trust Technical Briefing",
      "company": {
        "name": "Prime Trust",
        "href": "https://api.v-sum.com/companies/prime-trust"
      },
      "presenter": null,
      "event": {
        "name": "V-Sum Seventeen",
        "href": "https://api.v-sum.com/events/seventeen"
      },
      "description": "Antonio Georgalis, principal solution engineer at Prime Trust, demos the Prime Trust regulated custody and liquidity platform — the API-driven back-end infrastructure that connects crypto to the US dollar financial system for fintechs. The platform covers KYC-gated account creation (/v2/accounts), settlement, cash and asset transfers, and a liquidity API (/v2/quotes) that converts between dollars and roughly eight to ten supported digital assets via a request-for-quote flow. Money-in rails include ACH pull, wire, debit card, and Signet; money-out covers ACH and wire disbursements. The demo walks through the liquidity quote lifecycle end-to-end: RFQ with a price and expiration, execute, and check settlement status. Prime Trust runs two settlement modes — instant (settle asynchronously within milliseconds of execution, default) and scheduled (execute first, move funds in later, settle end-of-day, similar to T+2 in traditional markets) — plus a hot vs. warm balance distinction for automated vs. operations-reviewed disbursements.",
      "tags": [
        "custody",
        "crypto-infrastructure",
        "compliance"
      ],
      "youtube_id": "Mzjcyk0rMm8",
      "youtube_url": "https://www.youtube.com/watch?v=Mzjcyk0rMm8",
      "briefing_url": "https://v-sum.com/briefing/v-primetrust",
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    },
    {
      "slug": "v-dfns",
      "title": "DFNS Technical Briefing",
      "company": {
        "name": "DFNS",
        "href": "https://api.v-sum.com/companies/dfns"
      },
      "presenter": "Clarisse Hagege & Josh Siegel",
      "event": {
        "name": "V-Sum Seventeen",
        "href": "https://api.v-sum.com/events/seventeen"
      },
      "description": "Clarisse (co-founder, CEO) and Josh (product) of Dfns introduce Dfns — a developer-first wallet-as-a-service platform that separates the security of the private key from the governance of the assets. Dfns operates a decentralized MPC signer network in secure enclaves so private keys never materialize in memory or on disk — no single point of failure like seed-phrase or multi-sig-HSM setups. The API is chain-agnostic (25 blockchains, 9,000 tokens, new chains in ~3 weeks, new tokens in ~half a day) and built to scale to millions of segregated wallets per customer. A customer demo with Nilos (treasury management) shows how a user signs in and gets a fully functioning EVM wallet in seconds via createAssetAccount (distributed key generation) and initiatePayment, with every transaction subject to Dfns's programmable, API-first policy engine — including 2-of-3-style approvals defined in code rather than in a vendor UI. Pricing is unusual for the custody space: Dfns charges per wallet, per authorized signer, and per policy-engine access — never on AUM or AUC.",
      "tags": [
        "wallets",
        "custody",
        "developer-tools"
      ],
      "youtube_id": "UP6BZ537eCQ",
      "youtube_url": "https://www.youtube.com/watch?v=UP6BZ537eCQ",
      "briefing_url": "https://v-sum.com/briefing/v-dfns",
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      }
    },
    {
      "slug": "v-paxos",
      "title": "Paxos Technical Briefing",
      "company": {
        "name": "Paxos",
        "href": "https://api.v-sum.com/companies/paxos"
      },
      "presenter": "Jordan Valentine & Davis Hart",
      "event": {
        "name": "V-Sum Seventeen",
        "href": "https://api.v-sum.com/events/seventeen"
      },
      "description": "Davis Hart and Jordan of Paxos walk through the regulated crypto infrastructure Paxos provides to financial institutions — including PayPal, Paxos's first crypto brokerage customer from 2020. This briefing focuses on the June 2022 transfers launch: the ability for Paxos customers to enable their end users to deposit and withdraw crypto directly into their wallets without a fiat round-trip. The demo covers the PayPal web UI receive/send flows, Paxos's guaranteed network fees, and the Postman walkthrough of the three-endpoint withdrawal API: create a crypto-withdrawal fee quote (rate locked for minutes so retail users have time to review), submit the withdrawal with amount-vs-total and fee-asset-selection UX tools for developers, and track the transfer to completion with compliance checks and block confirmations. A final deposit-address walkthrough shows how Paxos issues one address per blockchain per end-user — covering Bitcoin, Bitcoin Cash, Ethereum, and the rest of the asset list.",
      "tags": [
        "stablecoins",
        "crypto-infrastructure",
        "compliance"
      ],
      "youtube_id": "16ReoYTDXk8",
      "youtube_url": "https://www.youtube.com/watch?v=16ReoYTDXk8",
      "briefing_url": "https://v-sum.com/briefing/v-paxos",
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          "href": "https://api.v-sum.com/briefings/v-paxos"
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          "href": "https://api.v-sum.com/briefings"
        }
      }
    },
    {
      "slug": "v-plaid",
      "title": "Plaid Technical Briefing",
      "company": {
        "name": "Plaid",
        "href": "https://api.v-sum.com/companies/plaid"
      },
      "presenter": "Clay Allsopp",
      "event": {
        "name": "V-Sum Seventeen",
        "href": "https://api.v-sum.com/events/seventeen"
      },
      "description": "Plaid introduces Wallet Onboard — a Plaid product for crypto developers that brings the familiar Plaid \"connect\" experience to self-custody crypto wallets. Where Plaid has always linked bank accounts to fintechs, Wallet Onboard normalizes the fragmentation across hundreds of crypto wallets, multiple connection protocols, and the UX differences between MetaMask, Coinbase Wallet, Rainbow, Ledger, and WalletConnect-compatible wallets. The demo shows auto-detection of installed extensions, per-wallet optimized flows (QR for mobile-only wallets, desktop app handoff for hardware), direct wallet-to-app data flow with no Plaid intermediary on wallet addresses, and a drop-in vanilla JavaScript SDK that takes roughly an hour to integrate — plus auto-updates for new wallets and protocols delivered via cdn.plaid.com. Use cases span token gating, NFT mint, holdings tracking, payouts, and message-signature-based authentication.",
      "tags": [
        "open-banking",
        "identity",
        "developer-tools"
      ],
      "youtube_id": "ZYglck-zkno",
      "youtube_url": "https://www.youtube.com/watch?v=ZYglck-zkno",
      "briefing_url": "https://v-sum.com/briefing/v-plaid",
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          "href": "https://api.v-sum.com/briefings/v-plaid"
        },
        "collection": {
          "href": "https://api.v-sum.com/briefings"
        }
      }
    },
    {
      "slug": "v-arc",
      "title": "Arc Technical Briefing",
      "company": {
        "name": "Arc",
        "href": "https://api.v-sum.com/companies/arc"
      },
      "presenter": "Raven Jiang",
      "event": {
        "name": "V-Sum Sixteen",
        "href": "https://api.v-sum.com/events/sixteen"
      },
      "description": "Arc is a B2B financing platform for software companies, pairing Arc Advance (revenue-based financing) with Arc Treasury (a deposit account for the same customer profile). This briefing walks through the Arc customer onboarding flow — NDA, API credentials for banking, accounting, and billing — and the unified data model Arc has built across all three. Live demos connect Capital One via Plaid sandbox, accounting data via Codat, and billing via Stripe, with each sync landing in Arc's GraphQL backend as canonical data events. Behind the scenes, Arc normalizes data across multiple aggregators per domain using virtual SQL views, preserves raw provider data for traceability, and optimizes connector selection for long-term stable recurring connections — because Arc re-syncs this data continuously to monitor risk on outstanding balances and surface upsell opportunities.",
      "tags": [
        "data-infrastructure",
        "lending",
        "capital-markets"
      ],
      "youtube_id": "J2zRnoUjRk0",
      "youtube_url": "https://www.youtube.com/watch?v=J2zRnoUjRk0",
      "briefing_url": "https://v-sum.com/briefing/v-arc",
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          "href": "https://api.v-sum.com/briefings/v-arc"
        },
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          "href": "https://api.v-sum.com/briefings"
        }
      }
    },
    {
      "slug": "v-nium",
      "title": "Nium Technical Briefing",
      "company": {
        "name": "Nium",
        "href": "https://api.v-sum.com/companies/nium"
      },
      "presenter": "Geoff Greenberg",
      "event": {
        "name": "V-Sum Sixteen",
        "href": "https://api.v-sum.com/events/sixteen"
      },
      "description": "Nium is a B2B money-movement platform supporting 190 currencies and moving into crypto rails including Stellar, Polygon, Ethereum mainnet, the Lightning Network, and Bitcoin. The demo focuses on Nium\\'s Stellar integration for stablecoin (USDC) payouts. Login uses Stellar\\'s sign-a-secret flow (challenge → wallet signature → JWT) so there are no usernames or passwords. Nium creates a second participant on Stellar testnet, validates the destination routing number (the same validation used for fiat rails), and sends $0.20 USDC — recording the transaction on Nium\\'s side, broadcasting to Stellar, and reflecting the debited balance in seconds. The product positioning: Nium is the pipes connecting fiat and digital-asset rails, giving people more control over what/when/how/where their money moves.",
      "tags": [
        "payments",
        "cross-border"
      ],
      "youtube_id": "Wl0pfcApFv4",
      "youtube_url": "https://www.youtube.com/watch?v=Wl0pfcApFv4",
      "briefing_url": "https://v-sum.com/briefing/v-nium",
      "_links": {
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          "href": "https://api.v-sum.com/briefings/v-nium"
        },
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          "href": "https://api.v-sum.com/briefings"
        }
      }
    },
    {
      "slug": "v-routable",
      "title": "Routable Technical Briefing",
      "company": {
        "name": "Routable",
        "href": "https://api.v-sum.com/companies/routable"
      },
      "presenter": "Omri Mor",
      "event": {
        "name": "V-Sum Sixteen",
        "href": "https://api.v-sum.com/events/sixteen"
      },
      "description": "Routable is a B2B payments platform — a successor to the painful experience of building B2B payment infrastructure in-house at marketplaces, where a thousand to a million payouts per month have to move alongside tax-document management, ERP logging, and appease finance, ops, and engineering simultaneously. This briefing demos an international payout to a Canadian delivery driver with Routable co-querying NetSuite in the same flow, attaches files and FX conversion to the transaction, exposes Routable's approval rules, and walks through the magic-link payee experience (branded in the payer's name, no signup required). Closing demos cover bank-error recovery, retroactive payment-method updates on pending payables, the Object Field Mapping UI developers use to align with NetSuite/QuickBooks object IDs, and RTP-enabled domestic payouts.",
      "tags": [
        "payments",
        "developer-tools"
      ],
      "youtube_id": "qv7_W8PfBgw",
      "youtube_url": "https://www.youtube.com/watch?v=qv7_W8PfBgw",
      "briefing_url": "https://v-sum.com/briefing/v-routable",
      "_links": {
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          "href": "https://api.v-sum.com/briefings/v-routable"
        },
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          "href": "https://api.v-sum.com/briefings"
        }
      }
    },
    {
      "slug": "v-crescent",
      "title": "Crescent Technical Briefing",
      "company": {
        "name": "Crescent",
        "href": "https://api.v-sum.com/companies/crescent"
      },
      "presenter": "Grant Roscoe",
      "event": {
        "name": "V-Sum Fifteen",
        "href": "https://api.v-sum.com/events/fifteen"
      },
      "description": "Crescent demos a high-yield treasury product for businesses — live in production V1, newly serving its first publicly traded customer, backed by USDC over-collateralized lending desks with zero exposure to Terra/Luna or Celsius and $30B of originations through its partners. The dashboard compounds interest every second, breaks earnings down by lifetime/year/month, and exposes admin controls for teams (plus easy switching between accredited individual and multiple business accounts, appealing to investment advisors). Because Crescent bridges fiat to USDC to lending desks, it natively supports wire and USDC deposits (ACH via Plaid coming soon) — the demo wires USDC from MetaMask into a Crescent account. Yield is accrued fungibly 1:1 in USDC/dollars at a ~4% sustainable rate. Despite looking like fixed income, Crescent accounts are fully liquid: next-day withdrawals initiate a wire, with Crescent pulling from fully-liquid lending pools, converting USDC to cash, and using bank credit lines to guarantee next-day settlement at zero fees. The roadmap is a yield marketplace: traditional cash sweeps, Treasury/mutual-fund products, and crypto yields — Crescent as the composable middle layer between businesses and yield sources.",
      "tags": [
        "treasury",
        "yield",
        "stablecoins"
      ],
      "youtube_id": "lCyBc05Hkbs",
      "youtube_url": "https://www.youtube.com/watch?v=lCyBc05Hkbs",
      "briefing_url": "https://v-sum.com/briefing/v-crescent",
      "_links": {
        "self": {
          "href": "https://api.v-sum.com/briefings/v-crescent"
        },
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          "href": "https://api.v-sum.com/briefings"
        }
      }
    },
    {
      "slug": "v-moderntreasury",
      "title": "Modern Treasury Technical Briefing",
      "company": {
        "name": "Modern Treasury",
        "href": "https://api.v-sum.com/companies/modern-treasury"
      },
      "presenter": "Koji Murase",
      "event": {
        "name": "V-Sum Fifteen",
        "href": "https://api.v-sum.com/events/fifteen"
      },
      "description": "Koji, PM at Modern Treasury, walks through Modern Treasury Ledgers — a managed double-entry ledger API for fintechs like Revolut and Marqeta, marketplaces like ClassPass and Outdoorsy, and anyone building money-movement apps. The demo builds out \"BillFold,\" a sample digital wallet, and walks through the patterns Modern Treasury has seen in production: custom ISO currencies (including USDC with a six-digit exponent for stablecoin-native apps), pending-vs-posted states for in-flight payments, immutable pending transactions with full audit trails, combined payment-plus-ledger API calls, and optimistic locking for just-in-time card funding flows alongside card issuers like Lithic and Marqeta. The closing pattern — purely in-ledger transactions between user accounts — makes user-to-user transfers essentially instant without ever touching an external rail.",
      "tags": [
        "payments",
        "treasury",
        "developer-tools"
      ],
      "youtube_id": "QvpJ0Nr5Kd0",
      "youtube_url": "https://www.youtube.com/watch?v=QvpJ0Nr5Kd0",
      "briefing_url": "https://v-sum.com/briefing/v-moderntreasury",
      "_links": {
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          "href": "https://api.v-sum.com/briefings/v-moderntreasury"
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          "href": "https://api.v-sum.com/briefings"
        }
      }
    }
  ],
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    "self": {
      "href": "https://api.v-sum.com/briefings"
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}