1. Bitcoin Core v0.20.1 was released;
2. As a result of an attack, the Ethereum Classic blockchain underwent a chain reorganization and did not produced blocks for several hours.
[Exchange & Wallet]
1. Ledger's v2.9.0 introduced support for buying USDT.
1. The sharding project Elrond announced a new token economic model, and its native token ERD will be renamed eGLD;
2. The total value locked in DeFi has topped $4 billion.