Given the sheer size of these three projects (with Solana, Cardano, and Aptos having market capitalizations of roughly $100 billion, $34 billion, and $5 billion, respectively), expectations that spot exchange-traded funds (ETFs) could be launched and approved by the Securities and Exchange Commission (SEC) is one key catalyst investors are clearly watching. In the case of Solana, Grayscale's Solana ETF application currently has a deadline of Jan. 23 to be reviewed by the SEC, with a decision expected shortly thereafter. The betting markets (and most experts) expect this ETF will be approved, paving the way for a spot Cardano ETF and potentially an Aptos product down the road (we'll see).