BRC20 inscription project Turtsat announced the launch of the BL2 second-layer network platform based on the security consensus of the Bitcoin blockchain, aiming to build an ecosystem for inscriptions and BRC-20 tokens.It is reported that the BL2 official website was launched at the end of last month. The project will introduce ZK-rollup into the Bitcoin Layer 2 and implement multi-node ZK verification on the second layer network, thereby adding zero-knowledge proof security on the basis of Bitcoin security.