http://en.wikipedia.org/wiki/Bitcoin
Andras Timar committed a patch related to this issue. It has been pushed to "master": http://cgit.freedesktop.org/libreoffice/core/commit/?id=9cb36ee3df0af10bc63727216fa41a6e8ef90a42 fdo#66433 - add Bitcoin to technical.dic The patch should be included in the daily builds available at http://dev-builds.libreoffice.org/daily/ in the next 24-48 hours. More information about daily builds can be found at: http://wiki.documentfoundation.org/Testing_Daily_Builds Affected users are encouraged to test the fix and report feedback.
Thanks Timar :)