Changelly takes a different approach to the exchanging process. Instead of letting users store their cryptocurrency on their exchange, they set up conversion transactions. Users select an input and output currency and an amount. In the above example, I selected .1 BTC and an opposing amount of ETH is automatically determined at the going rate. Then, Changelly provides an address to send the Bitcoin to, and asks for an address to send their Ethereum to.
A Poloniex exchange review also reveals that this US-based crypto exchange was hacked in March 2014. The hack resulted in the loss of 12.3% of all the Bitcoin held at Poloniex at the time. Poloniex Founder and CEO, Tristan D’Agosta, handled the situation well – something that generated praise from the crypto community at the time. Poloniex has since then faced many challenges, including those regulatory in nature. In addition, Poloniex was acquired by Circle in 2018, the company behind Circle, a multi-currency app that allows for instant money transfers.