Keep growing your cash until you need it with same-hour liquidity.
Prime EUR
Up to
5%
*
Make your euros earn like the best treasuries do, without locking them away.
Standard: 5%
Insured: 4%
Prime USD
Up to
7%
*
Put idle dollars to work. Institutional yield on your USD, paid every single hour.
Standard: 7%
Insured: 6%
*APY reflects returns originating from borrower interest through decentralized protocols, not from Byzantine Finance. Byzantine Finance is a technology company, not a bank.
Built on markets institutions already use.
$50B+
Liquidity across lending markets
$250B+
Stablecoins in circulation
$1T+
Loans originated to date
Built into every account
Your cash shouldn’t sit still.
Earn every hour.
Interest lands in your account automatically — no claiming, no waiting.
Insured Capital
Optional insurance on your principal, via a global Insurer.
Access anytime
Withdraw your capital whenever you want.
Reporting, made simple
Reports + acounting tool integrations.
How it works
Start earning now
Open an account today and start growing your cash faster.
01
Open your account
Open an account or connect via API. We’ll support you every step of the way.
02
Fund it
Choose EUR or USD and fund your account in a few clicks.
03
Start earning
Earn returns every hour. Withdraw anytime.
Security
Built to protect what you’ve built.
Bankruptcy-remote accounts, regulated partners, and insurance protection all built in.
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