BTCT is a TRC20 token on the Tron network that is 100% backed by Bitcoin (BTC). The reserve addresses are published for anyone to audit.
BTCT is a large-cap asset with questionable collateral reserves. This asset depends on a centralized entity for custody services.
Bitcoin TRC20 has no dependencies.
BTCT has a fixed supply. BTCT is a TRC20 token that is 100% backed by Bitcoin (BTC). There is no Proof of Reserves that indicate the underlying BTC is actually being held.