Add bootstrappable builds verdict
bootstrappable build is one that avoid pre-compiled binaries as much as possible and compile everything from source, see for more info: https://www.bootstrappable.org
also the following video is good short video about this topic & reproducible-builds: (might worth to add to website?) Bitcoin Build System Security | Carl Dong | Breaking Bitcoin 2019 Amsterdam https://invidious.snopyta.org/watch?v=I2iShmUTEl8
Bitcoin-core support it from 2019, see PR: https://github.com/bitcoin/bitcoin/pull/15277
instructions today are at: https://github.com/bitcoin/bitcoin/blob/master/contrib/guix/README.md
while reproducible-builds are supported in bitcoin-core from 2011.