White-hat hackers have found and fixed numerous bugs in top cryptocurrencies like Monero ($XMR) and Stellar ($XLM) and crypto companies like Crypto.com and Robinhood over the last two weeks, according to HackerOne data revealed to TNW's Hard Fork. In total, these hackers were paid to find a total of 20 bugs and a minimum of $7,400 bounties were paid out in the last two weeks.