The evidence provided strongly and consistently supports the statement. Multiple high-authority and reputable news outlets in both the cryptocurrency and mainstream financial sectors (The Block, Yahoo Finance, Crypto Briefing) independently report the same specific information. There is a clear consensus across all sources that Canaan has launched a 3 MW proof-of-concept/pilot project in Manitoba, Canada. Several sources, including the most relevant and authoritative ones, explicitly state that the purpose of this project is to repurpose waste heat from Bitcoin mining operations to heat a greenhouse for the cultivation of tomatoes. The details are consistent, with no contradictions found in the provided evidence. Even lower-authority sources corroborate the story by sharing and commenting on the reports from the more credible outlets. The statement uses the present tense "uses," which is accurate as the sources describe a project that has been launched and is operational, even if it is a pilot program.