Odaily Planet Daily News According to official news, OKX officially launched the packaged Bitcoin asset xBTC on May 22, 2025, and simultaneously opened the deposit and withdrawal services of the three major public chains of Solana, Sui, and Aptos. Through xBTC, users can seamlessly participate in the multi-chain DeFi ecosystem, support on-chain functions such as lending and liquidity mining, and further release BTC's multi-chain liquidity and revenue expansion. In addition, OKX Wallet will also launch revenue products around xBTC in succession, access to ecological head DeFi protocols such as Solana, Sui, and Aptos, enjoy additional ecological incentives, and users can easily participate in one-stop operations.
It is reported that xBTC is a packaged Bitcoin issued by OKX, which strictly follows the 1:1 reserve mechanism. Users can withdraw BTC from the exchange to the target chain and obtain the equivalent xBTC; they can also recharge xBTC back to the exchange through the target chain and exchange it for BTC. The platform verifies asset transparency in real time through on-chain proof of reserves (PoR) to further ensure the security of user assets.