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Consensus

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?

Consensus

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.

Consensus

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.

Consensus

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.

Únete a Los Embajadores de Polkadot

¡Bienvenido a Polkadot! Si ya has leído la información a continuación sobre el Programa de Embajadores, presenta tu solicitud ahora.

Upgrade Bulletin

Kusama Upgrade Bulletin (1030)

Kusama is about to get a new logic core; here’s the details.

Polkadot

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.

Kusama

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.

Polkadot

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.

Kusama

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.

Kusama

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.

Parathreads

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.