There are many platforms in the market for buying and selling cryptocurrencies but none gives you the feeling of security offered by bitfinex, also very accessible web commissions very fluid I highly recommend it.
Compared to other platforms like KuCoin, it is much richer in terms of API, user interface and security,
Bitfinex is aiming to be an enterprise-level solution and it does not rely on consumers, which is great if you're an enterprise user