The evolutive Bitcoin cold storage device that makes it easy & safe to receive, store & send bitcoins.
Absolutely safe
However dangerous your internet environment is, your bitcoins are always safe as your private keys never leave CoolWallet. CoolWallet’s OTP system allows only the user to sign the transaction offline. It is even waterproofed.
User friendly CoolWallet is credit card sized that perfectly fits in your wallet. You can carry your fortune with you all […]
