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This article selects three L2 projects with a more Western background—Mezo, BOB (Build on Bitcoin), and Spiderchain (Botanix)—to further explore the pros and cons of layer 2 solutions and their impact on the BTC ecosystem.

EigenLayer is an innovative project that introduces Active Verification Services (AVS) by re-staking ETH, allowing Ethereum's security and trust foundation to be leased to other systems. EigenLayer users protect other systems by re-staking their ETH and may be at risk of stake slashing. AVS are systems that require distributed verification semantics. They use EigenLayer to enhance the security and functionality of the network. The article introduces 10 Eigen AVS ecological projects worthy of attention, including EigenDA, AltLayer, Omni, Lagrange, Aligned Layer, Hyperlane, Witness Cralshun, Eoracle, Drosera and Ethos. These projects cover areas such as data availability, rollups re-staking, cross-chain interoperability, modular oracle networks, security incident response protocols, and the security of the Cosmos chain.

Movement is a modular framework for building and deploying Move-based infrastructure and applications. It uses M1 and M2 technologies to achieve compatibility with EVM and connect the mobility of Move and EVM ecology. As a permissionless blockchain, M1 uses the Snowman consensus protocol, while M2 is the first Move Layer-2 on Ethereum, supporting Sui Move, Aptos Move and EVM. The design of Move language focuses on security, improving the security of smart contracts through linear ownership and immutability of resources. Movement Labs has received US$41.4 million in financing to promote the innovative application of Move language in blockchain technology.