Quiero usar la biblioteca python-OP_RETURN. Para esto necesito instalar bitcoin core. Pero cuando ejecuto este comando sudo apt-get updatetengo este error:
Err http://ppa.launchpad.net jessie/main amd64 Packages
Err http://ppa.launchpad.net jessie/main amd64 Packages
Err http://ppa.launchpad.net jessie/main amd64 Packages
Err http://ppa.launchpad.net jessie/main amd64 Packages
Err http://ppa.launchpad.net jessie/main amd64 Packages
404 Not Found
Get:2 http://security.debian.org jessie/updates/main amd64 Packages [371 kB]
Ign http://httpredir.debian.org jessie InRelease
Get:3 http://httpredir.debian.org jessie-updates InRelease [142 kB]
Hit http://httpredir.debian.org jessie Release.gpg
Hit http://httpredir.debian.org jessie Release
Get:4 http://httpredir.debian.org jessie-updates/main amd64 Packages [17.6 kB]
Get:5 http://httpredir.debian.org jessie/main amd64 Packages [9032 kB]
Fetched 9626 kB in 8s (1085 kB/s)
W: Failed to fetch http://ppa.launchpad.net/bitcoin/bitcoin/ubuntu/dists/jessie/main/binary-amd64/Packages 404 Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.
¿Qué significa?
Su en Debian, el PPA de bitcoin solo funciona en ubuntu. Consulte esta guía para compilarlo en Debian. https://github.com/bitcoin/bitcoin/blob/master/doc/build-unix.md