WBTC is a DeFi-compatible version of Bitcoin backed by BTC reserves held with a licensed custodian (BitGo).
WBTC is a mid-cap, fully collateralized asset. This asset depends on two centralized entities for custody services.
Wrapped BTC (Cronos) has no dependencies.
WBTC has a fixed supply. WBTC is a DeFi-compatible version of Bitcoin. It is backed 1:1 by BTC custodied by BitGo. WBTC on Cronos is backed 1:1 by WBTC locked on the Ethereum chain in the Multichain bridge protocol.