A research architecture for low-latency Post Fiat applications: FastPay for settlement, wallet-authenticated FastDB for realtime state, Post Fiat data ontology for durable replay, and asynchronous IPFS pinning for archival payloads.
A 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 handoff to Uniswap-side a651, and the gates that keep supply honest.
A 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 other, then optionally execute through Uniswap.
A 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.
A click-through visual primer for the shielding, private swap, certification, private egress, redemption, and transparent control steps behind the Private OTC Swaps post.
A 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, the K=15/key-cache optimization sprint, and the remaining path to GPU-accelerated proving.
A 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 OTC swaps for existing holders. The core claim is that TVL formation improves when issuance, reserve receipts, NAV policy, and shielded settlement are co-located; the hard boundaries are USDC provenance, mint escrow enforcement, credential governance, replayability, privacy budgets, and secondary liquidity.