Explore optimizations for Bitcoin key cracking in this 48-minute conference talk from BSidesLV 2017. Delve into topics such as Bitcoin keys, scripts, SHA256 hashing, public and private keys, point multiplication, and side channels. Learn about techniques like incremental mode, bloom filters, binary search, and interpolation search. Discover how these optimizations can be applied to multiple cryptocurrencies and understand the implications of Segregated Witness. Gain insights into future improvements and the potential for saving money from hackers in the world of cryptocurrency security.