The U.S. Securities and Exchange Commission has formally acknowledged a joint application by Invesco and Galaxy Digital to launch a spot exchange-traded fund tracking the Solana (SOL) cryptocurrency. The acknowledgment signals that the regulator has begun its review of the proposal, a procedural step that precedes any decision on approval or rejection. The filing arrives amid a flurry of digital-asset ETF applications as asset managers seek to broaden offerings beyond Bitcoin and Ether products. An approval would give investors exposure to Solana through a regulated fund structure rather than requiring direct ownership of the token.