As I know https://cex.io is UK based exchange. At least that's what it said to me on the bank statement when I made a withdrawal from there.
Damn, I completely forgot about them and am a bit surprised they're still around.
They use to be big when they were selling mining contracts and their pool (ghash.io) at one point even crossed 50% of the global hashing power. But they seemed to be slowly dying after mining contracts become unprofitable.
It's hard to figure out what would "based in UK" even mean nowadays, they seem to be run by multiple entities and the only regulated one would be a Gibraltar-registered company.
Hi there. Instead of accumulating power further, GHash.IO stopped the pool from accepting more participants. The mining power shrunk, and decentralization of the bitcoin network was reinstated.
Initiated by our team, the first roundtable of bitcoin miners concluded that, for open finance to live up to its promise, industry participants must uphold decentralization. For that to happen, a broad adoption of cryptocurrencies must take place.
Since then, we’ve dedicated years of work to making access to crypto and blockchain technologies simple. When CEX.IO was the first to let people buy and sell Bitcoin with a credit card, we were just getting started.
We are indeed the UK-based crypto exchange but we have offices all over the world.
Concerning our policies, here is a page with all the licenses and regulations https://cex.io/legal-security.
If you have any additional questions - we would be happy to answer them.
