The DAG Blockchain is a new blockchain category with many powerful features that deserve our attention. For example, unrestricted concurrent transactions, fast transfer speeds, while traditional blockchain transactions are slower and cannot support too many transactions at the same time because each block is limited in size. And almost all blockchains have time differences in generating new blocks. All transactions packaged in the current block are pending for confirmation before the next block is found. The way NDAG is different. When you click the "Send" button, you can almost simultaneously confirm the transaction.