T28

BondsLive

Tokenized AT&T 4.30% 2028

Tokenized AT&T 4.30% 2028, fixed-income exposure with coupons reinvested to NAV.

See T28 on /markets →Underlying ticker: T28

Key facts

On-chain symbol
T28
Underlying
T28
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 T28 resolves to T28

Each T28 on-chain represents a 1:1 claim on the underlying AT&T 4.30% 2028 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 T28 as a tokenized AT&T 4.30% 2028, 1:1 backed by the real underlying.

  2. 02

    Custody

    The underlying AT&T 4.30% 2028 is held at Flo Finance, an institutional custodian.

  3. 03

    Settlement

    T28 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 T28 with one SDK call

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

POST /v1/mint

{
  "asset": "T28",
  "notional_usdc": "1000.00",
  "slippage_bps": 50,
  "settlement": {
    "currency": "USDC",
    "chain": "base"
  }
}

Where T28 lives today

Flo distributes through partners. The same T28 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 T28 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 T28. 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

T28 is issued by Flo Finance and 1:1 backed by real AT&T 4.30% 2028 held at institutional custodians. Reserves are attested daily and published on the Flo transparency surface.

Open the transparency page →

Risks

T28 carries the market risk of the underlying AT&T 4.30% 2028, 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.