3 ms·

They're all offline, stored in real safety deposit boxes and bank vaults...

• danielweber 12y ago
  The keys are stored offline, but the BTC are always online. They are relatively safe against someone compromising your computers remotely. Against physical intrusions or insider attacks, not as much.
  • icebraining 12y ago
    Physical intrusions can be dealt with by encrypting the keys, which I hope they are doing. Using a secret sharing scheme with physical tokens (e.g. smartcards) carried by chosen employees should reduce the danger of both of those attacks.
    • TheMakeA 12y ago
      They claim the physical copies are encrypted [1]. [1] http://blog.coinbase.com/post/33197656699/coinbase-now-storing-87-of-customer-funds-offline http://blog.coinbase.com/post/33197656699/coinbase-now-stori...