Polkadot Consensus Part 4: Security
So far, we have discussed how BABE creates blockchain candidates and GRANDPA finalizes them. We know that we need more than two-thirds of validators to properly follow the protocol. But how many validators are there? How are they chosen? Why should they follow the rules?...
Joe Petrowski
Polkadot Consensus Part 3: BABE
Blind Assignment for Blockchain Extension (BABE) is a block production engine that was inspired by Ouroboros Praos, another proof-of-stake protocol. It can be used on its own because it provides probabilistic finality, or it can be coupled with a finality gadget like GRANDPA....
Joe Petrowski
Polkadot Consensus Part 2: GRANDPA
In the introduction to this series, I outlined that a consensus algorithm helps a network of computers answer three questions. GRANDPA addresses the second....
Joe Petrowski
Polkadot Consensus Part 1: Introduction
This series will be a discussion about security and consensus in Polkadot. In part 1, we will define some terms before getting into the details of how Polkadot creates and secures blocks....
Joe Petrowski
Kusama Upgrade Bulletin (1030)
Kusama is about to get a new logic core; here’s the details....
Gavin Wood
Have a TEE with Polkadot
Hello from the SubstraTEE team at Supercomputing Systems AG! In this post we’d like to introduce key concepts of trusted off-chain computing. We’ll show what you can do with our tool, SubstraTEE, today and what our vision is for future applications....
Community Member
Polkadot v0.7.0 and Kusama CC-3
After a little chaos, Kusama is ready for the next chapter: CC-3 and at long last the governance handover....
Gavin Wood
Announcing the Polkadot Ecosystem Fund
San Francisco & Zug ― Web3 Foundation and Polychain Capital are joining forces to launch the Polkadot Ecosystem Fund during San Francisco Blockchain Week. The fund is a Polychain-operated investment vehicle jointly capitalized by Web3 Foundation and Polychain....
Polkadot
Kusama CC2: PrePoS
Kusama just got an upgrade I’m pleased to announce that at exactly 9am today (Zug time), Kusama CC-2 went through a full upgrade to runtime version 1005 as found in Polkadot release v0.6.3....
Gavin Wood
Kusama CC2
Three weeks ago, we released Kusama Chain Candidate 1 (CC1). After several key fixes to the Polkadot, including the Babe consensus layer, we’re pleased to release the next chapter in Kusama: CC2....
Gavin Wood
Parathreads: Pay-as-you-go Parachains
By: Joe Petrowski Polkadot is now even more accessible to projects that may not have the capital to secure a dedicated parachain slot and gives the opportunity to become a parachain if their application requires high throughput....
Joe Petrowski
Kusama Rollout and Governance
Kusama is Polkadot’s canary network. It is an early, unaudited, and wholly experimental network, designed to help understand how the various cutting-edge technologies introduced in areas including governance, staking and sharding work under real economic conditions...
Gavin Wood