Blog
GRANDPA
Polkadot v1.0: Sharding and Economic Security
This post is about the technology powering Polkadot. Polkadot is a sharded blockchain with heterogeneous shards.
Polkadot Research Update
Several articles have recently been added to the Web3 Foundation research portal covering individual subprotocols of the Polkadot decentralized blockchain platform: nominated proof of stake (NPoS), time consensus and GRANDPA (the finality gadget implemented for the relay chain).
An Updated Overview of Polkadot
The new paper Overview of Polkadot and its Design Considerations expands on the white paper, presenting a comprehensive and updated description of Polkadot’s design components and subprotocols. Some of these are outlined here.
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.