Blockchain Explorer Polkadot http://www.stes.tyc.edu.tw/xoops/modules/profile/userinfo.php?uid=3670142 Solana: Normally several seconds into a minute. Even so, in exceptional situations, Solana blockchain transactions can continue being unconfirmed for hrs and even days Some transactions are more advanced than others, necessitating far more computational ability to verify. These might... https://intensedebate.com/people/mcculloughfour