Kaia Blockchain Explorer https://www.instapaper.com/p/16800477 A blockchain unconfirmed transaction refers to some transaction initiated by a person that may be but to generally be confirmed and recorded within the blockchain by a validator or miner. It is often known as a zero-affirmation transaction. These transactions stay in the mempool (memory pool) https://infopagex.com/story5866140/explorer-blockchain-usdt-not-known-factual-statements-about-explorer-blockchain-base-https-cutt-ly-3rj9ygbc