Polkadot Weekly: Polkadot will use a referendum to decide whether to allocate free slots for bridges, stablecoin asset chains, and contract chains

first level titlePolkadotThe last core functionOn-chain governance, which will allow Polkadot to implement its scalable multi-chain architecture. After a period of testing, optimization and auditing, the parachain will pass

roll out.Public Interest ParachainsPolkadot's official blog first published a review of "

Public Interest ParachainsThe public interest chain is divided intoandSystem parachainPublic function parachainbalance. Among them, potential system chains include forgovernance、governanceandidentityidentitybridge、bridgeandUniversal asset chainand

DOT denominated smart contract platformInterpretation of PolkaWorld:bridgebridgestable currency(currently a Bitcoin and Ethereum bridge),stable currency(USDT, DAI, or other current stablecoins) parallel chains, and DOT as native tokensContract Parachain

(Currently, only Patract is doing a coinless contract chain) to allocate free parachain slots. Learn more68Public Parachains: An Introduction to Allocating Parachain Slots Through Governancehttps://wiki.polkadot.network/docs/en/learn-phragmen

The minimum number of DOTs nominated has dropped dramatically over the past few days and is currently around16(over 150 DOT last week). Please note that this "minimum value" is only the minimum stake value to enter the nomination, it does not mean that if you have more than 68 DOT bonded, you can automatically get the reward. The reason can be found in this wiki:

passpass。polkadot.polkassembly.io/motion/65

Polkadot CouncilpassPolkadot Council

The treasury application for the Python library that continues to support the Polkadot API has been approved. polkadot.polkaassembly.io/motion/66https://github.com/paritytech/substrate/pull/7661

first level titlefail。kusama.polkassembly.io/referendum/102

Referendum 102 on the Kusama network, proposing a balance transfer, but no other information, currentlyfailThe Kusama network is conducting a referendum to change the denomination of Kusama to100 times, currently running with 0.5% turnout, 8.33% support

. There are still three days left for voting. kusama.polkassembly.io/referendum/103bounty taskA new mobile signature solution

bounty taskPresented in Kusama Network. View details: kusama.polkassembly.io/bounty/3。kusama.polkassembly.io/motion/271

CancelOn-chain governance。https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Fkusama-rpc.polkadot.io#/society

The Kappa Sigma Mu Brotherhood has grown very fast and is approaching the 150 member limit. If you want to increase the limit of members, you need to passOn-chain governanceTestbeds that reward technical reviews

, designed to complete on-chain proposals on the Kusama and Polkadot networks, rewarding developers who help review the deliverables submitted by funded proposals. Details: kusama.polkassembly.io/post/496

first level titlehttps://riot.im/app/#/room/#rococo:matrix.parity.io

Rotating session keys is now not required, but recommended. You can consult more details on the Rococo channel.https://polkadot.js.org/apps/?rpc=wss%3A%2F%2Frococo-rpc.polkadot.io#/parachains

Substrate

The Rococo relay chain and its 10 parachains are running fine after approval checks.https://www.crowdcast.io/e/substrate-seminar

first level titlehttps://github.com/paritytech/substrate/pull/8165

If you want to follow the progress and news of Substrate, you can participate in the online Substrate seminar held every Tuesday at 14:00.https://github.com/paritytech/substrate/pull/8125

Existential deposits can be transferred from your account at any time, you need a transfer call, not a transfer_keep_alive call.https://support.polkadot.network/support/solutions/articles/65000170293-how-to-send-all-of-your-funds-out-of-your-account

first level titlehttps://www.crowdcast.io/polkadot

remindhttps://medium.com/zondax/how-to-recover-dot-sent-to-the-wrong-network-kusama-2f89b5d0b93d

If you are interested in Polkadot's series of crowdcasts, you can check them out here:https://medium.com/zondax/how-to-recover-ksm-sent-to-the-wrong-network-polkadot-f8865fa094a0

If you mistakenly sent DOTs to the Kusama address on your Ledger, instructions and tutorials to recover it can be found here:https://github.com/paritytech/polkadot/issues/2485