Positioned as the middleware layer of BVS (Bitcoin Validated Services), Satlayer is the final piece of the Bitcoin ReStaking protocol Babylon ecosystem.

A Western world without Rome is incomplete, just as a ReStaking ecosystem without AVS is incomplete without LST.

In terms of the Bitcoin ReStaking ecosystem, Babylon abstracts the economic security of BTC using technical primitives such as EOTs (Extractable One-Time Signatures) and Bitcoin timestamps. The Bitcoin ecosystem's LST protocol is responsible for unlocking the liquidity and composability of the BTC/LST protocol Wrapped BTC staked on the Babylon mainnet, while Satlayer provides economic security and liquidity in a one-stop manner (including programmable Slash conditions and BVS development SDK) for App Chains/dApps.

From a technical perspective, SatLayer consists of a set of core smart contracts written in CosmWasm and deployed on the Babylon mainnet, primarily composed of two functional modules: Delegate Manager and custom Slash management.

This allows: 1. BTC/LST protocol Wrapped BTC holders to delegate their assets through Satlayer to node operators (LST protocol project parties and professional PoS node operators) to stake on the mainnet operating nodes of App Chains/dApps using BVS services and earn staking rewards. 2. App Chains/dApps using BVS to flexibly customize Slash conditions. For example, App Chains/dApps can customize whether the assets from Slash are classified as protocol revenue or sent to a black hole address for destruction, and can customize the Slash ratio to ensure affordability and effectiveness.

Therefore, for ease of understanding, we can view SatLayer as the satellite layer of Babylon, responsible for connecting ReStakers, node operators, and BVS App Chains/dApps within the ReStaking ecosystem.

Interestingly, after watching the PR video celebrating the collaboration between Satlayer and Babylon, which is filled with deconstruction and challenges to the famous crypto planet comic released by Paradigm last year, I realized that both Babylon and Satlayer come from the Cosmos ecosystem.

In this cycle, the Bitcoin ecosystem, with the strongest security and the largest scale of accumulated assets, will join forces with COSMOS, which has the strongest AppChain development SDK and the most open developer ecosystem, to launch the strongest challenge against the central kingdom of the crypto planet, the Ethereum ecosystem.

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