Grayscale confirmed its Solana ETF (GSOL) will launch on October 29 following New York Stock Exchange approval, featuring staking rewards. The fund converts from the existing Grayscale Solana Trust, which holds 525,387 SOL worth $102.6 million. Traders are assessing GSOL's edge over Bitwise's BSOL after SOL dipped from $200 to $190 despite strong initial inflows into rival products.

Circle has launched the public testnet for its Arc chain, a payment-focused Layer 1 blockchain backed by USDC. The rollout includes collaboration with major financial institutions including BlackRock, HSBC, and Absa as design partners.

ETHZilla Corporation sold $40 million worth of Ethereum to fund a share repurchase program, aiming to reduce dilution and boost its market-to-net-asset-value (mNAV). The move has raised concerns about potential downward pressure on ETH if other digital asset treasury firms follow suit.

Zohran Mamdani has criticized Andrew Cuomo's ties to the cryptocurrency industry, calling them a conflict of interest amid the New York City mayoral race. Polymarket shows Cuomo with a 6% chance of winning, while Mamdani holds 93% odds. Cuomo announced plans to appoint a Chief Innovation Officer to advance blockchain, AI and biotech initiatives in the city. The move comes after Mayor Eric Adams ended his re-election campaign in late September.

Polymarket's market share dropped from 61% to 32% post-US elections, while competitor Kalshi now controls 66% of prediction market volume. ICE's $2B backing elevates Polymarket to $9B valuation.

The U.S. Senate Finance Committee will hold a hearing on October 1 focused on digital asset taxation, bringing together representatives from Coin Center, Coinbase, and the American Institute of CPAs. The session aims to address the current crypto tax framework that many industry participants consider restrictive and unclear.