<story><title>Cryptography behind the top cryptocurrencies</title><url>http://ethanfast.com/top-crypto.html</url></story><parent_chain></parent_chain><comment><author>gkfasdfasdf</author><text>After watching the latest Veritasium video about how Newton figured out a novel approach to solving PI which was dramatically simpler than the previous thousand-year old methods, I wonder if someone will come along and figure out a simple mathematical way to break these encryptions. That would be horrifying of course, but also really cool.</text></comment>
<story><title>Cryptography behind the top cryptocurrencies</title><url>http://ethanfast.com/top-crypto.html</url></story><parent_chain></parent_chain><comment><author>nayuki</author><text>More cryptographic details: Bitcoin uses the SHA-256 and RIPEMD-160 hash functions for public keys. It uses double-SHA-256 for transaction IDs and blocks (mining).</text></comment>