# Projects that implement layer2 solutions


By [CryptoMaverick](https://paragraph.com/@cryptomaverick) · 2023-08-21

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1.  **Hubble Protocol**: Hubble Protocol is a Layer 2 scaling solution that employs zk-rollups to enhance transaction throughput and reduce fees on the Ethereum network.
    
2.  **zkChains**: zkChains is a Layer 2 scaling solution that focuses on privacy and scalability, utilizing zk-rollups to bring fast and secure transactions to Ethereum.
    
3.  **xDAI Stake**: xDAI Stake is a Layer 2 sidechain of Ethereum that utilizes a stablecoin (xDAI) for fast and economical transactions, suitable for various applications.
    
4.  **Loopout**: Loopout is a Layer 2 solution for the Lightning Network, enhancing scalability and speed for Bitcoin transactions through off-chain channels.
    
5.  **Ignis**: Ignis is a Layer 2 scaling solution for the Ardor blockchain, aiming to improve scalability and efficiency for decentralized applications and asset transfers.
    
6.  **RollupChain**: RollupChain is a Layer 2 solution that combines zk-rollups with EVM compatibility, enabling scalable and secure smart contract execution on Ethereum.
    
7.  **ZeeDO**: ZeeDO is a Layer 2 platform for token sales on the Zilliqa blockchain, utilizing zk-rollups to enhance scalability and efficiency for crowdfunding events.
    
8.  **Hermez**: Hermez is a Layer 2 scaling solution for the Ethereum network that focuses on zk-rollups for fast, low-cost transfers and payments.
    
9.  **Vitalik's "rollup-centric" Ethereum**: Proposed by Ethereum co-founder Vitalik Buterin, this concept envisions Ethereum's future as a rollup-centric blockchain, leveraging Layer 2 solutions for scalability.
    
10.  **Tendermint**: Tendermint is a consensus engine that supports various Layer 2 solutions, enabling interoperability and scalability for different blockchains.

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*Originally published on [CryptoMaverick](https://paragraph.com/@cryptomaverick/projects-that-implement-layer2-solutions)*