UTXO
Bitcoin Unspent Transaction Output - the fundamental building block of Bitcoin transactions.
UTXOBitcoin
A Bitcoin Unspent Transaction Output. It is defined by a transaction hash and a vout index which, collectively, constitute an outpoint.
Key Characteristics
Transaction Hash
A unique identifier for the transaction that created this UTXO
Vout Index
The output index within the transaction (starting from 0)
Role in RGB++
In RGB++, UTXOs are bound to CKB Cells through isomorphic binding, enabling Bitcoin's security model to protect programmable assets stored in CKB's Cell model. This creates a bridge between Bitcoin's proven security and CKB's programmability.