Peter O'Brien @peterob
OCFO advisory @ https://t.co/JXjSiVwLFM substack.com/@obrienpeter Brooklyn Joined June 2008-
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Part 1: Contribution Margin — What One Unit Actually Contributes (Full PDF Report) open.substack.com/pub/digitalfin…
💸CAST is infrastructure for verifying commercial commitments before money moves. 🔧 Product: cast.digitalfinancehq.com 🦮 Field Guide: docs.cast.digitalfinancehq.com ❔Question: What should be required before money moves: approval, policy, or cryptographic proof?
Most payment systems ask you to trust the system. We're exploring a different model: Trust the proof. In this example, a counterparty confirms payment instructions, signs the event, and anyone can independently recompute the hash and verify the signature. ❌ No special access. ❌ No privileged database. ❌ No "trust us." ✅ Just evidence. As AI agents begin approving invoices, negotiating purchases, and moving money, verification may become more important than automation. 💸CAST is infrastructure for verifying commercial commitments before money moves. ❔Question: What should be required before money moves: approval, policy, or cryptographic proof?
👉Check out CAST: cast.digitalfinancehq.com 📜Full manifesto (Field Guide): docs.cast.digitalfinancehq.com What do you think — does crypto proof win the trust war for AI agents? LMK 👇 #AgenticFinance #Fintech #CryptoProof #AICanPay
🧠 AI agents are about to buy, approve, and move real money at machine speed. The trillion-dollar question: what becomes the system of trust — software, policy, or cryptographic proof? CAST is the Verifier in action. Verification is the invariant. Everything else sits on top. ⛓️One cryptographically bound record. Immutable lineage hashes. Tamper-evident proof that travels with every transaction. → Unilateral fraud — BEC ($2.9B/yr), fake invoices, bank-change — eliminated. Collusion becomes documented and detectable. → Audits become a 5-second hash check. → Verification cost collapses to near zero. Today it's crushing high-risk AP. Tomorrow it's the settlement layer for the agentic economy.
The agentic economy will be larger than the human economy. And it’s happening on Base.
Also true!
Proximity to SF doesn't matter if you use Twitter Correctly. X.com is 2 months ahead of SV/founders/eng (if you curate your feed correctly and are in the right group chats)
Just got my pass for Stripe Sessions 2026—looking forward to meeting up in San Francisco in April! stripesessions.com
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