Airswap exchange is a decentralized one, which means it has servers throughtout the world so it will be impossible for any hacker to hack it, because if they do they can not have access to the users coins. Consensy and Fluidity team are those behind the airswap and this team are well known in the crypto arena this trust give a measure of security to the exchange.
To use the exchange you don't need any signup neither will you pay fee of any kind either when depositing or withdrawing to the exchange except the ethereum that you are going to use as gas during transaction.
The exchange has it's token called airswap token; users will need to have 250 of it at least and stake it before a transaction can be carried out on the network. As at now only English users can use it, because it is only available in English. Since there is no third party, it is an an exchange that one can use withe rest of mind.