Anduro

Anduro is a multi-chain Layer 2 network built on Bitcoin, incubated by Bitcoin mining firm Marathon Digital Holdings, aimed at providing a programmable application layer for the Bitcoin ecosystem while reinforcing the long-run incentives of base-layer proof-of-work. Rather than a single chain, it is a platform that allows multiple sidechains to be created, each customizable for a specific purpose, with a design emphasis on community leadership and decentralized governance.

Its sidechains use merge mining: participating miners can earn Bitcoin-denominated fee revenue from sidechain transactions without interrupting their base-layer Bitcoin mining or adding extra power consumption, aligning miner incentives with network usage. The first sidechains are Coordinate and Alys. Coordinate is a low-cost UTXO stack aimed at communities such as Ordinals, using cBTC, a native asset redeemable one-to-one for bitcoin, with Lightning Network compatibility, a hybrid consensus combining proof-of-work with a strong federation model for reorg resistance and finality in about a minute, plus UTXO asset issuance and blob storage for data-heavy applications. Alys is an Ethereum-compatible chain designed for institutional issuance and trading of tokenized real-world assets. Anduro has also integrated and collaborated with cross-chain trading networks and asset tokenization service providers.