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Bitget offers over 20 perpetual futures trading pairs and a rich set of features associated with futures trading. Beginners in crypto trading can buy their first cryptocurrencies right on Bitget as there is a fiat-to-crypto gateway on the platform. There are over 100 cryptocurrencies supported on the exchange which is quite a solid selection. You can trade on Bitget via an Internet browser or download an Android or iOS mobile app and use the platform on your mobile device. 
Heat Ledger Ltd was started in Finland in 2016. As of now, this is the brand name for wallet and a decentralized exchange. HEAT Wallet & DEX offers a modern crypto wallet and non-custodial exchange service. 
InstaSwap is a non-custodial cryptocurrency exchange. It allows buying, selling, and swapping cryptocurrencies. The platform is launched by Blocktech Private Company which is registered with Hellenic Capital Markets Commission. This registration is a sign telling us that the company is legit and is subjected to thorough audits. InstaSwap is available for use in the US.