According to BitMEX Research, Bitcoin developer Rkrux said completing the BOSS challenge enabled him to work on Bitcoin Core full time with support from a Maelstrom Fund grant. Source: BitMEX Research (X, Dec 16, 2025). For traders, this confirms an instance of external funding directly adding full-time developer capacity to Bitcoin Core, with no protocol changes or release timelines disclosed in the post. Source: BitMEX Research (X, Dec 16, 2025).