Sure, just put magnet URIs in your transactions. That said, I'm not quite sure why this needs a blockchain... A URI is either in the system or not in the syste

Sure, just put magnet URIs in your transactions. That said, I'm not quite sure why this needs a blockchain... A URI is either in the system or not in the system... Why would one need a consensus algorithm to store URLs? Blockchains are about consensus, not storage...