Raiden Network is an off-chain transfer network for Ethereum ERC20 tokens. It provides a fast, scalable and inexpensive alternative to on-chain token transfers.
Raiden Network transfers provide users with guarantees of accuracy, security, and decentralization similar to known properties in blockchains.
Raiden Network provides a payment system based on payment channel technology that scales according to the number of users. This means that the larger the Raiden Network, the higher its maximum throughput with virtually no upper limits in sight.
The RDN token of the Raiden network's native cryptocurrency is not at the core of the protocol and is only used by participants who choose to pay so they don't have to run a full node.