4 ms·What blockchain does it run on? How is it free? Who's paying the blockchain transaction fees?by SwiftyBug 7y agoWhat blockchain does it run on? How is it free? Who's paying the blockchain transaction fees?kmundnic 7y agoIt's freemium. It's free for files up to 512MB.Walterion 7y agoBitcoin. It uses Blockstack DNS made on Bitcoin blockchain to give decentralized access to anyone. The PLUS plan is on the way.