Polkadot Digest 4 Sep 2025

Polkadot News

Basti Köcher has published an article on the history of block timing in parachains on Polkadot, how it works, and the road to 500 ms (half-second) parachain blocks (by EOY). https://blog.kchr.de/from-12s-to-500ms-the-long-road-to-faster-blocks/

The Inter Miami rewards app, supported by the Polkadot Treasury, has launched. https://x.com/Polkadot/status/1963325609943470245

Referendum 1729, proposing to accumulate USDC and USDT for the Polkadot Treasury, is now passing with 96.2% in favor. https://polkadot.subsquare.io/referenda/1729

Referendum 1740, proposing to reduce the number of pending messages allowed in an HRMP channel, is now up for vote. https://polkadot.subsquare.io/referenda/1740

Kusama News

The post-mortem report for the 24 August temporary stall on Kusama has been published. https://x.com/BillLaboon/status/1963203154373120476

Referendum 586, proposing to also reduce the number of pending messages in an HRMP channel (similar to 1740 on Polkadot), is up for vote. https://kusama.subsquare.io/referenda/586