All parts of the system operate in a decentralized manner and are not controlled by any company orparty:

Cryptocurrency private keys are stored on the customer side and are not transferred to any server. Every transaction is created on your side.  Transaction history is retrieved from blockchain explorers over the commonly used API requests. Customer can point the block explorer he/she trusts most or deploy own one and use it as source of transaction history.

Atomic Wallet utilizes own Distributed Orderbook technology which is based on a BitTorrent protocol and cannot be seized or stopped, it is distributed among all online wallets. Order execution is processed peer-to-peer and blockchain based. No thirdparty is involved in the transaction processing.