Blog
Guides and articles on mining, the coins we run and the hardware that mines them.
The Ravencoin KAWPOW bug: a block header that chose its own proof of work check
A KAWPOW block header carries the height it claims to be at. Ravencoin never checked that number against the chain, and it decided which proof of work check ran.
Why Pearl changed consensus four times in 27,000 blocks
Pearl changed consensus four times between block 71,935 and block 99,000. Each one closes the same gap: what a mining proof claims, and what the GPU actually did.