Rather than investing directly in tokens like bitcoin, the ETF will focus on crypto-related companies.
Decentralized finance apps also face growing regulatory and technological pressures.
One of bitcoin's biggest cheerleaders is temporarily tempering his enthusiasm.
A new blockchain and digital token aim to further decentralize the internet.
Dogecoin now has a market capitalization of $61.1 billion.
Coinbase Global Inc.'s public debut this week is one reason for the recent jump.
Coinbase's plans have been undergoing a review by the U.S. Securities and Exchange Commission.
With a market value of more than $40 billion, Tether is the world's fourth-biggest cryptocurrency.
The market for non-fungible tokens has surged in value at a rate greater than bitcoin's rise.
The trusts are delving into still-niche corners of the cryptocurrency universe.