Liquidity Network
https://liquidity.network/Blockchain payments without transaction fees
The Liquidity Network is a network of payment hubs that enables free, instant and secure off-chain transfers and exchange of digital assets free from third party oversight. It is capable of supporting millions of users securely, reducing transaction costs significantly and enabling the mainstream adoption of blockchain. Our project is based in Zug, Switzerland's crypto valley, and led by blockhain experts from ETH Zurich and Imperial College London. Please visit our website for more info: liquidity.network.
Angel list: https://angel.co/company/liquidity-network-1
Member count: 11-50