Zero Blockchain Explorer https://500px.com/p/younguitibrahim Solana: Typically some seconds to the moment. However, in rare cases, Solana blockchain transactions can keep on being unconfirmed for several hours or simply times These transactions remain in the mempool (memory pool) until a miner or validator selects them and involves them in a very https://bbs.pku.edu.cn/v2/jump-to.php?url=https://cryptoexplorerhub.com