Merlin Chain has expanded the BTC staking Vault 2, increasing the total capacity to 100 BTC

ChainCatcher news, according to the official announcement from Merlin Chain, the BTC staking vault Vault 2 has been added, increasing the total staking limit from 50 BTC to 100 BTC to meet the participation needs of community users after the first phase sold out quickly. Currently, the annualized return on BTC staking is up to 21%, with rewards expected to be distributed in early October 2025.