Alok Menghrajani, security engineer at Square, details their Multisig & Hardware key management system for the cold storage of customer's Cash app Bitcoin balances....
"Bitcoin’s security guarantee comes from the direct conversion of unforgeable energy into a fixed supply unit on an incorruptible monetary network. There is no...
"A typical Bitcoin mining operation will spend considerable amounts of time, energy and money cooling their ASIC miners with air conditioning or liquid immersion...