Hi Jeff! On Mon, Nov 27, 2017 at 3:11 AM, Jeff Johnson via bitcoin-dev < bitcoin-dev@lists.linuxfoundation.org> wrote: > Raw block > 998,198 bytes > > Gzip > 521,212 bytes (52% ratio) > (needs 2MB to decompress). > I don't know how you got that raw block, but it seems a bit odd. If you look at it in an hex editor, you'll notice that every odd byte is 0, and that explain the unusual high compression ratio. Bye!