Bittensor’s TAO token is attracting renewed attention after Grayscale filed to register a spot Bittensor ETF and the network completed its first halving event on December 30, 2025. The filing, disclosed in a registration statement dated December 30 on the SEC (U.S. securities regulator) EDGAR system, would, if it advances, provide regulated U.S. vehicles with direct exposure to TAO rather than synthetic or offshore proxies. The halving reduces the rate of new token issuance, tightening forward supply and changing the emissions curve that dilutes existing holders. The ETF registration is the strongest verifiable catalyst because it is a filed document with a docket number, while the halving was a scheduled protocol event. Grayscale has also linked Bittensor to what it calls AI wins in a research note, placing TAO within the broader decentralized-AI investment narrative, though that is a sector backdrop rather than a confirmed same-day trigger. Upbit has expanded Bittensor market access with KRW, BTC and USDT pairs, while Kraken plans to list a Bittensor subnet alpha token. The magnitude of TAO’s price move, trading volume and market-cap ranking remain unverified. Investors will be watching for SEC action, amendments or a 19b-4 exchange rule filing connected with the product, as well as on-chain confirmation of post-halving emission rates.