Post Fiat
Research
Technical research notes moved out of the main blog stream.
- 2026-09-17The AI Indexing Company: Business ProposalRetail thematic index creation on corbanu.com: link a social identity, choose deterministic or hosted generation, publish and share, buy through the preferred direct Ondo route, …→
- 2026-09-04Proposal: derive the UNL from Task Node identity and ratify it through CobaltValidator lists on public ledgers are bought with grants and market-development fees. Post Fiat should instead derive its validator list deterministically from Task Node identity: …→
- 2026-09-02pfUSDC on Arc: one USDC, there and back, authorized by proofs of both chains' finalityOn 2 September 2026 we deposited 1.000000 USDC into a vault on Arc testnet, proved Arc's validator quorum finalized it inside a Groth16 proof, minted pfUSDC on the PostFiat L1 …→
- 2026-09-02Arc/current-main H100 replay: historical proof passes, current merge remains gatedAn H100 replay confirmed the archived Arc v1 Groth16 pipeline and reproduced its public values byte for byte, but the current v2 guest correctly rejects that old witness and Arc's …→
- 2026-08-31Runbook: Deterministic Qwen 3.8 Inference for Replayable Index ScoringThe locked serving profile that makes Qwen 3.8 27B FP8 produce byte-identical output across independent H200 hosts: exact model pin, runtime image digest, SGLang launch flags, …→
- 2026-08-21Cobalt: Consensus, Governance, and the Post Fiat DecisionAn evidence-backed decision presentation on Cobalt, XRPL consensus, Post Fiat's implemented machinery, AgentHub governance replay, attack surfaces, and the recommended production …→
- 2026-08-15Glass: Institutionalizing NAVCoinsA research proposal for extending NAVCoin's verified reserve machinery into institutional collateral passports: reusable reserve rights, complete liability cells, policy-specific …→
- 2026-08-03Post Fiat: The Internet of Value for the AI EraDiscussion draft: a fourteen-scene immersive presentation explaining Post Fiat, PF Terminal, Task Node, NAVCoins, private foreign exchange, replayable AI governance, Cobalt, and …→
- 2026-07-16Trustless Wrapped Stablecoins on PFTLA primer and technical specification for wrapping external stablecoins onto PFTL under consensus-enforced verification: user-initiated deposits into an on-chain vault, an evidence …→
- 2026-07-10Private NAV Swaps, Explained From Zero: What the Product Is and How It Becomes RealA ground-up explainer of the private NAV swap product: what wrapped pfUSDC actually is, how NAVCoins are priced on PFTL and represented on Uniswap, what a transparent and a private …→
- 2026-06-29FastPay, FastDB, and Async IPFSA research architecture for low-latency Post Fiat applications: FastPay for settlement, wallet-authenticated FastDB for realtime state, Post Fiat data ontology for durable replay, …→
- 2026-06-27Trustless Bridges from PFTL to UniswapA research design spec for moving NAVCoin supply between PFTL and an Ethereum Uniswap venue without inventory fronting: burn/lock on one side, verify finality, mint/unlock on the …→
- 2026-06-27Canonical NAVCoin Transaction: Research NotesA plain-English explanation of the correct NAVCoin transaction architecture: PFTL as the source of truth, proof-of-reserves epochs, USDC bridge-in, private Orchard swaps, atomic …→
- 2026-06-25Private OTC Swaps: Illustrated PrimerA click-through visual primer for the shielding, private swap, certification, private egress, redemption, and transparent control steps behind the Private OTC Swaps post.→
- 2026-06-25Private OTC SwapsA devnet report on Post Fiat's transparent and shielded NAVCoin swap demos: what happened, what PFTL checks, what Orchard hides, and what remains self-published.→
- 2026-06-20Heavy ZK: Circuit Anatomy and Prover Optimization for Shielded NAVCoin SwapsA grounded technical look at the devnet-proven, code-reviewed Halo2 circuit behind Post Fiat's shielded NAVCoin swaps: every major constraint, the measured CPU prover bottleneck, …→
- 2026-06-18Private NAV Subscriptions and OTC Swaps: Shielded NAVCoin Settlement on Post FiatA design for using Post Fiat to support private primary NAV subscriptions that add source-labeled USDC to NAVCoin reserves without walking a thin AMM book, plus private secondary …→