Ledger CTO warns of shocking NPM attacks by crypto hackers [https://www.thestreet.com/.image/t_share/MTk4NTA5NTkwODcyNzI5NTEx/crypto-hack.jpg] Ledger CTO warns of shocking NPM attacks by crypto hackers Crypto hackers exploit Ethereum smart contracts in NPM attacks. [https://www.thestreet.com/crypto/markets/ledger-cto-warns-of-shocking-npm-attacks-by-crypto-hackers]