"S2K"

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How can Bitcoin evolve to meet growing demands of the rapidly expanding DeFi ecosystem without sacrificing its core principles? This is where Bitcoin L2s come in.

With Bitcoin hitting new all-time highs, interest in Bitcoin L2 solutions is rising. Emerging competitors like Bison Network, Stacks, BitVM, Botanix, and Chainway aim to enhance Bitcoin’s capabilities, enabling faster transactions and smart contracts. Stacks allows earning BTC by staking STX tokens, BitVM employs unique hash lock and time lock systems, and Botanix achieves seamless Bitcoin and Ethereum integration through its spider chain design. The development of the Bitcoin L2 ecosystem, coupled with the launch of the first Bitcoin ETF in the United States, sets the stage for Bitcoin’s resurgence.

In 2024, Bitcoin surpasses a $2 trillion market cap, marking the dawn of the "BTCFi Era." Driven by Bitcoin halving, ETF approvals, and increasing institutional holdings, BTC evolves from "digital gold" to an asset with broader financial functionalities. BTCFi involves asset allocation across time and space, endowing Bitcoin with yield-generating capabilities and liquidity. Innovations such as Bitcoin’s time locks, sidechains, and Layer 2 technologies empower BTCFi, driving Bitcoin’s adoption in lending, custody, synthetic assets, and more.

Uniswap's Unichain, a Layer 2 solution tailored for DeFi, is set to make a significant impact on the Ethereum ecosystem. By embracing the OP Stack framework and introducing a decentralized validator network, Unichain aligns with Ethereum's scaling strategy while boosting transaction speed and privacy. The proposed ERC7683 standard aims to enable smooth cross-chain interactions. Unichain's launch is expected to spark a more competitive and innovative Layer 2 landscape, potentially driving further development within the Ethereum ecosystem.

The article provides an in-depth analysis of the centralization and scalability issues faced by Ethereum and its Layer 2 networks. It explores how L2 solutions have deviated from Ethereum's original goal of decentralization, while also critiquing the current incentive mechanisms and governance structures. The author offers profound insights on blockchain scalability, user privacy, and the future of cryptocurrencies, and suggests ways to support Ethereum's competitors in achieving true decentralization.

This article discusses the technical characteristics and security assurances of three Layer2 approaches, and analyzes the different dimensions of "connection with Ethereum."

Linea is the first zero-knowledge proof-based Layer 2 solution developed by ConsenSys, aimed at addressing Ethereum's scalability issues. As the developer of MetaMask, ConsenSys has an advantage in promotion and user acquisition. Linea employs ZK Rollup and SNARK technologies to achieve efficient verification and privacy protection. It offers EVM compatibility, facilitating easy DApp deployment. With low gas fees, high TPS, and integration with MetaMask, Linea has attracted over 5.5 million users since its launch in July 2023. As its ecosystem expands, Linea is poised to become a significant Layer 2 solution, driving the development of blockchain applications.

In an article discussing the differences between L1 and L2 scaling, Vitalik Buterin pointed out that the key difference lies in organizational structure rather than technology. Ethereum, as an ecosystem centered around L2, allows for the creation of unique sub-ecosystems, fostering diverse development. Blockchain culture influences incentive mechanisms, user appeal, and the legitimacy of the ecosystem.

This article explores the future of the BTC Layer 2 market, proposing three main directions: 1) Asset issuance needs innovative narratives to attract capital; 2) Layer 2 standards should narrow, increasing technical thresholds; 3) The rise of BTCFi explores asset revitalization and liquidity.

Cobo co-founder and CEO Shenyu shared an interesting retrospective of early Bitcoin miners with the participants, discussed the various challenges faced by miners venturing overseas, and shared his views on BTC Layer 2 and AI, along with Cobo's strategic positioning in these areas.

This article discusses Morph's new L2 ecosystem development strategy, which aims to address the issues of "ghost chain effect" and "fake TVL prosperity" on public chains by combining incentive airdrops and developer-centric ecosystem development. The article analyzes both the airdrop strategy of Blast and Morph's comprehensive approach, which includes incentives for testnet airdrops, a developer-centric ecosystem development fund, and strategies for attracting user and developer participation. Morph encourages AI, GameFi and other projects to build on Morph through a series of actions, such as the Sparkloom Builder Program and incubator programs, while providing financial support and airdrop incentives for participants..

This article deeply analyzes the impact of the Dencun upgrade on the Ethereum L2 network, revealing the positive results of the upgraded L2 network in reducing transaction costs, increasing user activities and asset inflows, while pointing out the negative effects such as network congestion and high rollback rate caused by MEV activities.

This article, written by Vitalik Buterin, explores the similarities and challenges of Ethereum Layer 2 (L2) and execution sharding in blockchain scaling. The article explains that the L2 ecosystem is actually sharding on a technical level, and discusses the diversity of execution environments, security trade-offs, transaction speed, and the organizational and cultural benefits of L2. At the same time, Vitalik highlighted the coordination challenges faced by the L2 ecosystem and raised the importance of cross-L2 infrastructure.

Solana faces both opportunities and challenges in its development. Recently, severe network congestion has led to a high transaction failure rate and increased fees. Consequently, some have suggested using Layer 2 and appchain technologies to address this issue. This article explores the feasibility of this strategy.

Berachain V2 has migrated from the Polaris architecture to BeaconKit, improving network performance. BeaconKit allows the use of any Ethereum execution client, such as Reth, Geth, or Nethermind, making Berachain fully compatible with EVM. This upgrade resolves the bottlenecks encountered in V1, ensuring smoother transaction processing.