Lightweight hub's protection of smart contract security: cosmwasm seems to be a scheme with faster iteration and lower coupling with the hub. However, it is undeniable that the complexity of cosmwasm itself is underestimated. One of the most easily overlooked aspects of community governance is that end users are too optimistic about the implementation of functions, and cannot detect the risks behind the smart contract. We still remember the several outages of Juno after it was launched. ...