A Polkadot forum proposal swaps re-execution for proof checking
WonderZK would move heavy execution and proving off the validator set. It is one person's design, posted with a call for collaborators, not a project roadmap.
Altcoins
Avalanche activated Helicon on mainnet with six proposals at once
The upgrade went live at 11 AM ET on 22 September, bringing C-Chain async execution, auto-renewed staking, a higher uptime requirement, a shorter minimum stake, a dynamic gas floor and a lower consumption rate.
A Kusama audit referendum returns after being voted down on day one
The Kusama Shield privacy project resubmitted its audit funding request with retroactive funding removed, CI updated and a broken Solidity function patched.
Robonomics proposes retiring its Sudo key in favour of a two-track OpenGov
The Polkadot parachain would replace a developer multisig with pallet-referenda and conviction voting on just two tracks, then remove Sudo through the first real referendum.
A proposal pitches JamScript, a Web2-style language for Polkadot's JAM
A Polkadot forum post introduces JamScript, a language and SDK meant to let developers build JAM applications without understanding JAM's internals. It is a proposal and a discussion, not a shipped platform.
Cardano's node release trims memory in time lock scripts
cardano-node 11.1.2 optimises memory in time lock scripts. The release notes keep two known regressions against 11.0.1 in view rather than claiming the problem is closed.