[区块链]区块链 DAG分布式账本技术 DAG数据结构和基于区块的数据结构的差别 优势

the current block-based data structure brings a number of issues, such as

• poor performance
• scalability,
• slow ?nal con?rmation
• centralization of powerful miners.

To resolve these issues, the Directed Acyclic Graph (DAG, see Figure 1) data structure has been emerged and it has been increasingly adopted in the ?eld of Distributed Ledger Technology (DLT) [6].

DAG is a graph data structure that has emerged as a new form of DLT after the popular blockchain technology