TLT

ETFsLive

Tokenized iShares 20+ Year Treasury

Tokenized 20+ Year Treasury exposure, long-duration rates.

See TLT on /markets →Underlying ticker: TLT
Available onGM Markets

Key facts

On-chain symbol
TLT
Underlying
TLT
Asset class
ETFs
ISIN
US4642874576
Custody
Held at Flo Finance
Chains
Base, Arbitrum, Ethereum
Distribution treatment
Total return, accrued to NAV
Attestation cadence
Daily
Issuer
Flo Finance
Backing
1:1 backed by the real underlying

How TLT resolves to TLT

Each TLT on-chain represents a 1:1 claim on the underlying iShares 20+ Year Treasury 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 TLT as a tokenized iShares 20+ Year Treasury, 1:1 backed by the real underlying.

  2. 02

    Custody

    The underlying iShares 20+ Year Treasury is held at Flo Finance, an institutional custodian.

  3. 03

    Settlement

    TLT 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 TLT with one SDK call

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

POST /v1/mint

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

Where TLT lives today

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

Available on TLT

1 partner

See the asset live, in a real partner app, settled on-chain through the Flo SDK.

Audits

Four independent firms, $250K bug bounty

Sherlock, Halborn, Cantina, and Cyfrin have audited the smart contracts that issue and settle TLT. 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

TLT is issued by Flo Finance and 1:1 backed by real iShares 20+ Year Treasury held at institutional custodians. Reserves are attested daily and published on the Flo transparency surface.

Open the transparency page →

Risks

TLT carries the market risk of the underlying iShares 20+ Year Treasury, 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.