bitFlyer is a Japanese Bitcoin marketplace and settlement, created in 2014. They have the biggest Bicoin trade volume in japan.
bitFlyer’s security measures are implemented at 2 levels:
- System: Network, Login, Bitcoin, Infrastructure, Program
- Operations: Identity verification, Plans to prevent viruses and hacking attacks, Segregated management of assets
bitFlyer claim to use higher strength encryption technology than major financial institutions in its communications with customers.
80% or more of bitFlyer owned bitcoins are stored in a cold wallet that is isolated from the network. The cold wallet is protected by several physical locks as well as a robust 24-hour surveillance system.
Fees vary between 0.01% and 0.15%, depending on volume. There are also Japanese Yen withdrawal fees.