As much as cryptocurrency for me personally is to have control over its access via a wallet, many people do not want the responsibility to permanently losing th

As much as cryptocurrency for me personally is to have control over its access via a wallet, many people do not want the responsibility to permanently losing their cryptocurrency due to any number of things that could cause a loss of access. In this case exchanges appear to have become the de facto custodian for many people's cryptocurrency holdings. We might could compare it to having cash in mattress vs an uninsured institution that could be hacked or dismantled by the state at will.