区块链跨链协议综述
孟博, 王乙丙, 赵璨, 王德军, 麻斌豪

Survey on Cross-Chain Protocols of Blockchain
MENG Bo, WANG Yibing, ZHAO Can, WANG Dejun, MA Binhao
图4 跨链智能合约调用框架
Fig.4 Framework for cross-chain smart contract invocations