Starting next year, the holding period for Bitcoin and cryptocurrencies will likely be abolished. At least a draft bill is now on the table.
At any rate, there are plans to grant grandfathering provisions for all holdings acquired by December 31, 2026.
Even though it probably won’t change anything, the quorum for the petition on this issue has already been reached, and it’s still open for a few more days:
https://epetitionen.bundestag.de/petitionen/_2026/_05/_30/Petition_201716.html

