# USD1链上质押享年化7.66%

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#USD1链上质押享年化7.66%
USD1 is a fiat-collateralized stablecoin pegged 1:1 to the US dollar.
It was launched by World Liberty Financial (WLFI), a fintech company closely associated with the Trump family, in March 2025.
Simply put, it is the "digital avatar" of the US dollar in the blockchain world, aiming to provide a stable value medium of exchange for the crypto market.
The core mechanism for USD1 to maintain its $1 value is a 100% reserve system.
Its operating principle is straightforward:
Minting (issuance): When a user deposits $1 in fiat currency, the system generates (mints) 1 USD1 on the b
USD1-0.02%
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