# 100Layer Introduction

100Layer is a liquidity protocol on Bitcoin Layer 1 and Fractal by OP\_CAT, providing WBTC (Wrapped BTC) & WFB (Wrapped FB), decentralized collateral-backed stablecoin, wrapped bridged tokens (WBRC20, WRunes, WDoge, WBCH, WBSV, WLTC, etc.) and yield farming on CAT20, BRC2.0, BRC-20, Runes, RSM & BRC-100.

100Layer has released the [WBTC Protocol](https://docs.100layer.io/wbtc-protocol): A Decentralized & Programmable Wrapped BTC based on OP\_CAT Covenant, Powered by 100Layer

1. The first completely decentralized WBTC
2. The first WBTC based on OP\_CAT
3. The first extension protocol of CAT20