Grayscale Ethereum Trust stock (OTCQX:ETHE +0.2%) pares its discount vs. Ethereum (ETH-USD) as the trust gains but ether falls 3.4% in late morning trading (New York time). As for recent ether news, the first backward-incompatible upgrade for Ethereum 2.0 Beacon Chain is set to be activated on the Pyrmont test network on Thursday, Coindesk's Christine Kim reports. Among the code changes: increased penalties on validator misbehavior and improved functionality for lightweight versions of Eth 2.0 software, Kim writes. In other cryptocurrencies, bitcoin (BTC-USD) slips to $45.2K; it had topped $48K as recently as Monday. Over the past six months, ETHE has been largely tracking ether's movement, though at a discount, as is usual.