Grayscale Bittensor ETF filing on December 30, 2025, seeks SEC approval to convert its Bittensor Trust into a spot ETF tracking TAO token. This move follows Bittensor's halving, reducing emissions to 3,600 TAO daily, positioning decentralized AI for institutional investment via NYSE Arca. Grayscale Bittensor ETF targets TAO for spot exposure post-halving. Bittensor halving cuts [...]