How should we define BTC Layer2?

Author: Jademont, Founder of Waterdrop Capital

Editor's note: As the current mainstream narrative, the BTC ecosystem is booming. In order to increase capacity and reduce costs, BTC's Layer2 is flourishing. About BTC L2 Definition, founder of Waterdrop Capital JademontHe published his views on X, and BlockBeats compiled the full text as follows:

Broadly speaking, BTC Layer2:

As long as BTC is used as gas, BTC is used as the underlying asset, and it can be used as a dapp platform, and its performance is far better than BTC layer 1, it counts. Including but not limited to Indexer-based application platforms, EVM rollup, EVM crosschain, sidechain, lightning network, RGB, etc. The final competition is still TVL, that is, how much BTC trusts your Layer2, which is different from a bunch of Ethereum L2 Just like a war, there is no point in arguing about who is orthodox, who has a higher market value, a higher TVL, and who has the right to interpret the definition.

BTC Layer2 in a narrow sense:

At least two of the following conditions must be met at the same time:

1. Whether to share with BTCSafetyIf BTC goes down, can your L2 survive? The most that can survive is called a side chain.

2. Is it censorship-resistant? Are your L2 nodes or cross-chain multi-signatures decentralized enough? Don’t make it like multichain, where all the assets are in the hands of a few relatives. If they are caught, the users’ assets will also be lost.

Compliant with EthereumCommunityStandard BTC Layer2:

In addition to the narrow definition of L2, two more points need to be added: whether the first layer can verify the transactions of the second layer, and whether the assets of the first layer can escape smoothly when the second layer collapses.

个人觉得，基于定义的讨论是最没有意义的，因为中本聪不会跳出来告诉大家他理想中的 btc L2 是什么样的，也没有任何一个组织有权利去定义这个正统性。

比特币生态看起来一切乱糟糟，就像 13 年一堆乱七八糟的山寨链 fork BTC 时一样，但就是在乱糟糟的社区氛围里，才有了 Vitalik 试图在 BTC 上做智能contractThe failure led to the creation of Ethereum, which led to the discussion of various new technologies, laying the foundation for the prosperity of the public chain era. However, ten years later, things are different. BTC itself has taproot upgrades, and programmability, scalability, and privacy have been greatly improved. The technological progress precipitated by this prosperity can be fully implemented within the BTC ecosystem.Xiaobai Navigation.

Independent crypto researcher @ordjingle (Dr. Golden Dog) asked:If Arc20 tokens such as $sophon are used as gas, is it considered Layer 2?

Jademont:Yes, it can be counted, because the cross-chain part must consume BTC.

The article comes from the Internet:How should we define BTC Layer2?

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