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A particular validator sent out a LOT of dispute reports (i.e., saying that other validators did something incorrectly) last night (for reasons unknown). It looks like other nodes "choked" reading all of these disputes, and one subsystem died, stalling nodes but NOT killing the process. It's still being investigated, but you can look at the issue on Github to see it being discussed here: https://github.com/paritytech/polkadot/issues/6412
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SaaSHub
SaaSHub - Software Alternatives and Reviews. SaaSHub helps you find the best software and product alternatives
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There are some Substrate-based chains, such as Aleph Zero, already using alternative consensus systems to have block times of around a second. There's also an RFP that I worked on last year looking for people to work on it for a W3F grant.
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substrate-open-working-groups
The Susbstrate Open Working Groups (SOWG) are community-based mechanisms to develop standards, specifications, implementations, guidelines or general initiatives in regards to the Substrate framework. It could, but not restricted to, lead to new Polkadot Standards Proposals. SOWG is meant as a place to find and track ongoing efforts and enable everybody with similar interests to join and contribute.
A great framework for building your own blockchain, and use numerous off-the-shelf modules, with Substrate - https://substrate.dev/
