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From the article's comments: > We realize that SMS is inherently unsafe, so we use an automated phone call to you and ask you to confirm the transaction with a
by dangrossman 13y ago
From the article's comments:
> We realize that SMS is inherently unsafe, so we use an automated phone call to you and ask you to confirm the transaction with a 6-digit pin. So in order for someone to drain your account, they would need to spoof an SMS message to Coinbase, intercept a voice call from Coinbase, and know your 6-digit pin. We do this if you try to send, buy, or sell bitcoins.