SECBIT Media

Redundant Check in ERC20 Smart Contracts’ approve()

We saw many smart contract issues during past months: BEC, SMT, HXG plus the most recent FXE, and they shared a common vulnerability: integer overflow. Are we becoming too jittery about overflow problem with imaginary fear? Is it a good…

Bugged Smart Contract FuturXE: How Could Someone Mess up with Boolean? (CVE-2018–12025)

Mechanism Design in Cryptoeconomics

As the emerging of cryptocurrency and the development of blockchain techniques, traditional…

Smart Contract and Nash Equilibrium

Smart contracts are the application of blockchain, and they are on the center of the blockchain storm in the year of 2018. Smart contracts are used to launch Token, Initial Coin Offerings (ICO), exchange Tokens, and design games. Generally, a smart contract is a…

Alert! Another integer overflow vulnerability just found in HXG smart contract.