Photograph by Max Bender on Unsplash
Re-entrancy is a sort of vulnerability that may happen in good contracts, significantly those who work together with exterior contracts or sources. It happens when a contract calls an exterior contract after which calls again into itself earlier than the exterior contract has completed executing. This could create an infinite loop, doubtlessly permitting an attacker to empty the contract’s steadiness.
https://medium.com/coinmonks/smart-contracts-vulnerability-explained-re-entrancy-c4702bb373cc?supply=rss—-721b17443fd5—4