This became active on block 363,724 which was added to the blockchain on July 4, 2015. BIP66 is simple: it mandates a strict set of rules to how the ASN.1 data is encoded, and requires Bitcoin nodes to reject transactions that don't conform to the specification. With this patch, your node will reject requests from an attacker to lock his funds and your funds for a period of more than 5,000 blocks (about 5 weeks). Bitcoin devotees will tell you that, like gold, its value comes from its scarcity-Bitcoin’s computer algorithm mandates a fixed cap of 21 million digital coins (nearly 19 million have been created so far). The main user of libsecp256k1, https://youtu.be/zX3s66oZ7Io Bitcoin Core, has its own algorithm for randomness which incorporates the OS, messages received on the p2p network, and other sources of entropy. Data displayed are based on user input and not Binance's opinion.