cbBTC is a DeFi-friendly version of Bitcoin backed 1:1 by BTC held by Coinbase.
cbBTC is a low-cap asset with questionable collateral reserves. This asset depends on a centralized entity for custody services.
Coinbase Wrapped BTC (Base) has no dependencies.
cbBTC has a fixed supply. cbBTC is a DeFi-friendly version of BTC that is backed 1:1 by BTC custodied by Coinbase.