It is only more than twenty days before the 2020 "Bitcoin Key Verification Day" (January 3). It is expected that during this event, tens of thousands of Bitcoin owners may take out Bitcoin from the exchange wallet To an address where they control the private key. It is reported that the "Key Verification Day" in 2020 is the date for the second large-scale verification of keys by Bitcoin holders, which is also a critical moment for many cryptocurrency exchanges, and its reserves will be tested again. Note: The "Bitcoin Key Verification Day" was conceived by Trace Meyer, a program that has been widely supported by cryptocurrency influencers and businesses. On January 3, 2019, several crypto companies tweeted to encourage users to withdraw funds from exchanges and other escrow wallets.