Charles Hoskinson: UTXO stops $50 million address poisoning; Bitcoin, Cardano safe

On December 25, 2025, Charles Hoskinson said Bitcoin and Cardano would not be affected by address-poisoning scams under a UTXO model. His remark followed an incident in which a single user lost almost $50 million in USDT after copying a lookalike address from transaction history on an account-based blockchain.