USDTB vs USDC — price, size and safety, side by side

USDTB

USDtb is BlackRock's tokenized-T-bill answer to Tether — the stablecoin Ethena issues backed by BUIDL fund shares, built to hold a dollar peg with the largest asset manager's fund as the reserve. The deployment 0xc139190f447e929f090edeb554d95abb8b18ac1c is the Ethereum mint; our October 6, 2026 snapshot reads $11 million of tracked pool liquidity.

The honest framing: USDtb's reserve is only as liquid as BUIDL itself — a fund that settles like a security, not a money-market claim, which means redemptions inherit the fund's terms, not a stablecoin's usual instant-exit promise. That is a feature for holders who want T-bill duration and a constraint for anyone assuming redemption is instant.

Full USDTB safety read →

USDC

USDC is the dollar most of Solana actually trades in, and judging it takes a different lens than the one that works on memecoins. This is a centralized, fiat-backed stablecoin: Circle issues it, holds the reserves behind it, and publishes monthly attestations of those reserves. On Solana it lives at mint EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v, where the October 6, 2026 snapshot records about $8.6 billion of market capitalization, roughly 5.25 million holders, and around $465 million of tracked pool liquidity — the deepest dollar venue on the chain.

Here is the part that confuses people who learned token safety from rug-checkers: USDC's mint and freeze authorities are live, on purpose, permanently. Circle has to mint new USDC when dollars come in and burn it when they go out — that is what "backed" means mechanically — and it maintains the ability to freeze addresses to comply with sanctions and court orders, which it has used. On a memecoin, a live mint authority is the classic rug lever; on a fiat-backed stablecoin it is the product working as designed. The risk hasn't vanished — it has moved from an anonymous deployer to a regulated company, which is a trade most holders are knowingly making.