Have you heard about the closure of ZeroLend? After three years, the DeFi protocol is shutting down due to inactive chains and security attacks. It's a very interesting situation because many projects are trying to answer the question, "What is a DeFi coin?" but some, like ZeroLend, have been left behind. The combination of technical issues and network problems shows what can happen. It couldn't continue on its original path as a DeFi protocol. Such closures are not rare in the crypto world, but there are always interesting lessons to learn. Have you ever encountered a situation like this?