The top SideChain projects, ranked by prominence — TVL, market cap, funding, and on-chain activity.

BOB
Bitcoin's EVM L2, secured by PoW

Merlin Chain
Bitcoin Layer 2 for native asset innovation

Coinweb
Cross-chain smart contracts, no middlemen.

Stacks
Bitcoin L2

Sovryn

Fractal
Bitcoin scaling solution

Tectum
Distributed ledger protocol

SatoshiVM
Smart contracts powered by Bitcoin's security

Bitrock
Ethereum IBFT 2.0 Proof of Authority (PoA) side chain

Bitrock
Ethereum IBFT 2.0 Proof of Authority (PoA) side chain

Core
Bitcoin-powered, EVM-compatible blockchain

Blockstream
Blockchain development company

Blockstream
Blockchain development company

Mintlayer

BVM

XANA

Elastos

Meter.io
High-performance blockchain infrastructure

Libre

CENNZnet
Blockchain for the open metaverse

RSK Infrastructure Framework
Smart contract platform

Gnosis Chain
EVM blockchain

Botchain

Bitcorn

XRPL
XRPL EVM Sidechain

Tari
Privacy-focused network

Tari
Privacy-focused network

Palm
NFT ecosystem for Culture & Creativity

POA Network
Public platform for smart contracts

Xahau Network
Smarter Blockchain with Account-Based Programmability

Meter Governance

Ethereum Identity Kit
Ethereum Identity stack Integration Platform

SmartBCH
Sidechain for Bitcoin Cash

Polygon
Ethereum's internet of blockchains

Gnosis
Building decentralized infrastructure for the Ethereum ecosystem

Ronin
Ethereum sidechain built by Sky Mavis

Ronin
Ethereum sidechain built by Sky Mavis