USYC is a tokenised representation of shares in the Hashnote Short Duration Yield Fund, an SEC-regulated money market-style fund investing primarily in short-term US Treasuries and reverse repurchase agreements. Circle acquired Hashnote in early 2025, folding USYC into its broader stablecoin and tokenisation infrastructure alongside USDC.
What it does
Unlike a stablecoin, USYC is structured as a security representing fund shares, and it accrues value through daily yield rather than staying pegged at a flat $1. Holders effectively get on-chain, tradeable exposure to Treasury-bill-like returns, with the token's price gradually rising as the underlying fund earns interest — appealing to institutions and DeFi protocols that want yield-bearing collateral without leaving the blockchain.
Since Circle's acquisition, USYC has been positioned as a bridge asset — something institutions can hold for yield and then convert quickly into USDC for spending or settlement, aiming to combine the capital efficiency of a Treasury fund with the liquidity and composability of a stablecoin ecosystem.
It's also found use as collateral within DeFi protocols and structured products looking for a yield-bearing, dollar-adjacent asset that doesn't require redeeming out to fiat first, part of the broader institutional push to bring real-world assets on-chain.
Risks
USYC is a security, not a stablecoin, and that distinction carries real regulatory weight — access is generally restricted to qualified or accredited counterparties in most jurisdictions rather than being freely available to retail users the way USDC is, which limits its addressable market by design.
Redemption and settlement depend on Circle's and Hashnote's operational infrastructure and the fund's underlying custodians and counterparties functioning correctly; any disruption there affects USYC holders directly, the same structural dependency any tokenised fund carries.
The tokenised-RWA-yield category is still young and competitive — USYC competes with products like BlackRock's BUIDL and Ondo's OUSG for the same institutional demand, and consolidation, regulatory changes, or a shift in Treasury yields could all reshape which products win out.