Public testnet infrastructure for AI-native finance
Post Fiat is a fair, private XRP-derived network for capital markets and collective intelligence. It keeps XRP-speed settlement, adds decentralized validator selection and Orchard privacy, and gives human civilization a way to integrate machine intelligence without collapsing into centralized control.
How it works
XRP's core architecture is already good at fast finality and message-style coordination. Post Fiat starts from the view that an AI-native network should use an efficient settlement and messaging layer rather than rebuild everything around slower, more inflationary primitives.
Post Fiat keeps the useful parts of XRP while changing the two biggest legitimacy gaps: opaque validator selection and no native privacy. The network adds AI-assisted, published validator selection and an Orchard privacy path so the base layer is fairer, more legible, and more useful for real financial workflows.
The primary use case is not replacing SWIFT. Post Fiat is aimed at buy-side workflows, research coordination, expert networks, indexing, compliance, and AI-assisted capital deployment.
Task Node gives the community a way to do something economically useful together. Instead of a retail crowd that can only post, hold, and hope, participants can contribute observations, research, and workflow outputs into an AI-routed network that internalizes its own edge instead of donating it to outside firms.
Public artifacts
Protocol design, validator logic, privacy path, and network thesis.
Working participation surface for contributors and AI-routed workflows.
Public benchmark artifacts and validator selection evidence.
Operator path for running a Post Fiat testnet validator.
Discord, operator coordination, Task Node support, and research discussion.
Platform
From settlement to validator publication, every layer is framed around auditable financial workflows and human-machine collaboration.
Evidence, model/runtime manifest, scoring outputs, and deterministic list construction become visible artifacts.
Orchard privacy and encrypted coordination make the network more credible for institutional finance than plain public transfer rails.
Community members can contribute observations, research, and workflow output rather than only speculating on a token.
Post Fiat is aimed at indexing, buy-side research, expert networks, compliance, and AI-assisted capital deployment.
Use cases
Machine-readable ontology for assets, portfolios, market structures, screening systems, and new financial products.
↗Encrypted memos, privacy tooling, and stronger policy controls for institutional workflows.
↗Contributors provide proprietary observations and research to paying AI agents and portfolio managers.
↗Validator-list publication should be auditable, replayable, and eventually multi-party.
↗Security and governance
Post Fiat is live on public testnet, with public validator history, an explorer, and benchmark artifacts. It is not represented as a production mainnet.
The whitepaper frames validator-list publication as a visible evidence-to-list pipeline rather than opaque publisher discretion.
The network adds an Orchard privacy path so capital-markets coordination can move beyond plain public transfers.
PFT is not only something to buy. The primary participation path is Task Node contribution, with validator operation as another direct infrastructure path.
Task Node Feed
Recent public Task Node activity shows contributors accepting work, publishing evidence, receiving verification, and tying useful output back to PFTL proof links.
Refreshing from public Task Node activity.
Passed on building a 13F tracker MVP after the offer expired with no response.
node:d438f686Delivered a Python QA validator for Alpha Registry submissions and earned a reward.
node:d53de16fRecorded a verification response for a Python QA pack validating Alpha Registry submissions on PFTL.
node:d53de16fUploaded follow-up evidence for a Python QA pack validating Alpha Registry submissions.
node:d53de16fPlanning a privacy-safe adoption metrics snapshot for Post Fiat network participation.
node:c8ff8d57Delivered a reusable Post Fiat evidence manifest guide and earned a reward.
node:5f58cdc7Who builds this
Founder behind Post Fiat. The current homepage cites Citi FX, Palantir, Balyasny TMT, and co-founding Perpetua as relevant background.
It also cites capital and market credibility from portfolio managers at Brevan Howard, DE Shaw, and Citrini Research, plus venture backing by Hypersphere Capital Management.
If AGI restructures markets, governance, and labor, the winning networks will be the ones that let human participants coordinate with machine intelligence without handing the future to one center of control.
