GB10Y

BondsLive

Tokenized UK 10-Year Gilt

Tokenized UK 10-Year Gilt, fixed-income exposure with coupons reinvested to NAV.

See GB10Y on /markets →Underlying ticker: GB10Y

Key facts

On-chain symbol
GB10Y
Underlying
GB10Y
Asset class
Bonds
Custody
Held at Flo Finance
Chains
Base, Arbitrum, Ethereum
Distribution treatment
Coupon reinvested to NAV
Attestation cadence
Daily
Issuer
Flo Finance
Backing
1:1 backed by the real underlying

How GB10Y resolves to GB10Y

Each GB10Y on-chain represents a 1:1 claim on the underlying UK 10-Year Gilt held at an institutional custodian. The issuer and backing model are the same for every Flo token; only the underlying differs.

  1. 01

    Issuance

    Flo Finance issues GB10Y as a tokenized UK 10-Year Gilt, 1:1 backed by the real underlying.

  2. 02

    Custody

    The underlying UK 10-Year Gilt is held at Flo Finance, an institutional custodian.

  3. 03

    Settlement

    GB10Y settles on-chain on Base, Arbitrum, Ethereum. Cross-chain transfers route through Chainlink CCIP.

  4. 04

    Attestation

    Reserves are attested daily by an independent auditor and published on the Flo transparency surface.

Mint GB10Y with one SDK call

Every Flo-issued token shares the same six SDK methods. Mint, redeem, supply, withdraw, borrow, repay.

POST /v1/mint

{
  "asset": "GB10Y",
  "notional_usdc": "1000.00",
  "slippage_bps": 50,
  "settlement": {
    "currency": "USDC",
    "chain": "base"
  }
}

Where GB10Y lives today

Flo distributes through partners. The same GB10Y on-chain is the asset every partner integrates against; partner UIs may relabel it for their own brand.

Partner integrations in build

No live partner is distributing GB10Y yet. Twelve integrations are in build across exchanges, wallets, fintechs, neobanks, and asset managers. Partners are listed here only after they ship.

Audits

Four independent firms, $250K bug bounty

Sherlock, Halborn, Cantina, and Cyfrin have audited the smart contracts that issue and settle GB10Y. The same contracts power every Flo-issued token; one audit covers the catalogue.

Read the audit reports →

Backing

1:1 backed by the real underlying

GB10Y is issued by Flo Finance and 1:1 backed by real UK 10-Year Gilt held at institutional custodians. Reserves are attested daily and published on the Flo transparency surface.

Open the transparency page →

Risks

GB10Y carries the market risk of the underlying UK 10-Year Gilt, plus the structural risks common to every tokenized asset: custody concentration, smart-contract risk, and oracle dependency. Read the full risk disclosures on the Flo transparency surface before integrating or holding.