1. how to spend from cold wallet electrum, Coldcard User Documentation


    In order not to lose assets as a result of intrusion, large exchanges spend huge amounts of money each year on security to compete with hackers. But there is a simpler way to prevent intrusion, called cold wallet. A cold wallet is a physical wallet that stores digital currency, while a hot wallet is a virtual wallet connected to a network. Cold wallets are physically and completely isolated from the network, thus ensuring that hackers cannot break into the network. The price is.

  2. electrum wallet meaning, electrum wallet


    Electrum is a popular software wallet that works by connecting to a dedicated server. These servers receive a hash of the Bitcoin address in the wallet and reply with transaction information. Electrum Wallet is fast and has few resources, but by default, it connects to these servers and can easily monitor users. In addition to Electrum, some other software uses public Electrum servers. By 2019, it is a faster and better alternative to BIP37.