
Bitcoin's Technological Revival: Unlocking Trillions in Value
Author: Leeor Shimron Compiled by: Block Unicorn One of the increasingly important topics in this crypto bull market cycle is the rise of Bitcoin L2 (Bitcoin L2). Bitcoin is generally regarded as the largest, most decentralized, and most secure crypto asset, with over 100 million global holders and a market capitalization of $1.2 trillion. However, as a technical platform, it also has some limitations, such as slow transaction speed (block confirmation time is around 10-30 minutes), low scalability (only about 7 transactions per second), and limited programmability (its scripting language and smart contract capabilities are limited). Historically, the most successful technology networks were generally built and expanded in layers, which is particularly evident in the development of the Internet. The layered approach to the Internet is called the Open Systems Interconnection Model (OSI model) and includes seven layers: physical layer, data link layer, network layer, transport layer, session layer, presentation layer, and application layer. These technologies run and interact in the background every time an end user accesses an email or posts a comment on a social platform, without the user knowing anything about it. The OSI model outlines the layers of the Internet stack. Similarly, in order to address Bitcoin's limitations while still inheriting its valuable cybersecurity and decentralized features, the Bitcoin ecosystem is actively developing the Bitcoin Layer 2 network. These projects have sparked a revival in development and programmability, bringing decentralized finance (DeFi), NFTs, gaming, and other application scenarios that are thriving in the competitive blockchain ecosystem to Bitcoin. This layered approach is in stark contrast to integrated blockchains that seek to provide all of the blockchain's core functions (consensus, data availability, execution) at the base layer. Blockchains like Solana, Near, and Algorand are designed to scale and provide high-performance computing without moving data availability or execution to other networks, unlike the “modular” approach used by Bitcoin and Ethereum. Total hedged value (TVL) is the main measure of DeFi growth in a given ecosystem. It represents capital deployed in various ways, such as lending assets to earn revenue, providing liquidity in capital pools, and using it as collateral to obtain on-chain credit. Although the development of Bitcoin's second-layer network has enabled DeFi application scenarios to prosper on Bitcoin, its growth is still limited. In contrast, more mature ecosystems such as Ethereum are more advanced. Currently, the total hedged value (TVL) of decentralized finance (DeFi) on the leading Bitcoin second-tier network is around $1.5 billion. That number might seem huge, but it's only 2% of Ethereum's current hedging value of $81.3 billion. Furthermore, if you look at the ratio of TVL to online market capitalization, Bitcoin's ratio is only 0.13%, while Ethereum's ratio is as high as 27%. Considering that the potential value stored in Bitcoin exceeds $1 trillion, leading Bitcoin second-tier networks have huge market opportunities to unlock this value for various financial use cases. If Bitcoin's DeFi grows at the same rate as Ethereum, that means there will be $300 billion in deployable capital at current market prices. The basic protocol and second-tier solutions Ordinals and Runes are basic protocols on Bitcoin, which were launched in January 2023 and April 2024, respectively. The Ordinals Protocol, in particular, has sparked greater interest in Bitcoin development and is generally regarded as the catalyst for the beginning of “Bitcoin Season 2.” Underlying protocols like Ordinals and Runes operate directly on Bitcoin's underlying layer without changing the core protocol. They embed additional functionality into Bitcoin transactions and are suitable for applications that can be built directly using Bitcoin's existing scripting framework (such as NFTs and meme coins minted on a single Satoshi). In contrast, Bitcoin's Layer-2 solution runs on an independent blockchain anchored to Bitcoin. They generally use Bitcoin's security to ensure finality, but provide more complex functionality through their own consensus mechanisms. Layer-2 solutions enable smart contracts, decentralized applications (dApps), and cross-chain interactions, often with their own tokens (such as DeFi, gaming, social media, and other applications that require more complex logic). Whether it's a basic protocol or a second-tier solution, both approaches aim to enhance Bitcoin's utility by enabling new use cases and applications, which will drive increased demand for Bitcoin's block space. This increase in demand will in turn boost Bitcoin's base layer transactions...






