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Run wealth, payments, treasury and AI driven finance on one real time, multi asset ledger that binds every transaction to evidence. No batch jobs, no hidden side systems,just signed transaction requests, consistent results and a history you can replay and prove at any moment.
Use cases
Deterministic portfolios and fund books, all in one place
Run model portfolios, separately managed accounts, internal treasury and venture or private equity funds on a single real time core ledger. Positions, cash and fund flows stay in sync without nightly reconciliations, and you can always return to “how the world looked” on any past date for clients, auditors or limited partners.
Fintech, payments and platforms
Power cards, wallets, lending and embedded finance on one core that checks risk and compliance before anything hits your books. Customers and agents see updates the moment a transaction clears, and you stop shipping batch jobs and ad hoc ledgers inside every new product.
AI agents and autonomous finance
Give artificial intelligence agents a clear, typed interface to propose transactions while the core ledger decides what is allowed. Every accepted move is balanced and linked to evidence, every reject comes with a stable reason, and humans and agents follow exactly the same path into the system of record.
Digital assets and custody
Run cash accounts, stablecoins, tokenised assets and traditional securities on one ledger instead of parallel systems. Internal books stay fast and private, while you can still prove that history is complete and unchanged to partners, clients and regulators.
Implementation
Onwinds plugs into your existing stack. Signed transaction requests, policy guardrails and evidence binding let you phase in automation while keeping provenance tight and your current books intact.
List the actions humans and agents take today and capture them as typed, signed transaction requests into the core ledger.
Run access, limit and risk checks before anything hits the ledger. Apply maker checker approvals and policies at the boundary instead of duplicating them in every channel.
Attach evidence bundles to material events and subscribe downstream systems and models to the event stream so reporting, regulators and partners always see up to date views backed by proof.
Who builds on Onwinds
The same core ledger serves leaders planning new markets, developers shipping flows and risk teams who have to prove every decision.
Launch with confidence, not caveats
Launch new products and markets knowing the core ledger is tested against clear throughput, latency and replay expectations. Treat finance infrastructure as a product surface you can design with, not a black box that might break under load.
A core you can actually work with
Use a single executeIntent application programming interface (API) as the only write path. Start with the TypeScript and JavaScript software development kit (SDK) to sign transaction requests, run replays and stream events against the same SaaS core ledger in development and production.
Evidence inseparable from the numbers
Every material state change is bound to an immutable evidence manifest. Policy inputs, rules hit and model outputs sit alongside postings, so investigators see the “why” with the “what”. Auditors can verify completeness and integrity through replay and evidence bundles instead of manual reconciliation rounds.
Get started
Give your users and agents a real time, multi asset ledger where balances update instantly and evidence never goes missing. Launch new products without batch jobs and pass audits with confidence.