There have been a few notable hacks to exchanges, Binance, for example [1]. The DAO hack on the Ethereum network, which caused the fork of Ethereum and Ethereum

There have been a few notable hacks to exchanges, Binance, for example [1]. The DAO hack on the Ethereum network, which caused the fork of Ethereum and Ethereum classic, is also notable [2]. I do think the fact that there hasn't been a successful attack on the Bitcoin network is an example of how resilient it is. Safely securing $1 trillion in value on a decentralized network that hasn't been hacked in over a decade of operation, when as you said, it's probably a top-level target, is pretty amazing. [1] https://www.cnbc.com/2019/05/08/binance-bitcoin-hack-over-40-million-of-cryptocurrency-stolen.html https://www.cnbc.com/2019/05/08/binance-bitcoin-hack-over-40... [2] https://www.gemini.com/cryptopedia/the-dao-hack-makerdao https://www.gemini.com/cryptopedia/the-dao-hack-makerdao