Parity Technologies Blog

Polkadot Statement Store: How Decentralized Messaging Works

Andrei Eres — Mon, 07 Sep 2026 00:00:00 GMT

Learn how Polkadot's Statement Store, also known as Celerity, handles signed off-chain messages, including topics, channels, expiry, and allowances.

How Polkadot Proof of Personhood Works

Guillaume Thiolliere, Software Developer in Acceleration — Mon, 10 Aug 2026 00:00:00 GMT

How one experimental mechanism combines social recognition with Ring-VRF proofs to establish uniqueness without revealing identity.

When AI Bots Look Human: Why We Need Proof of Personhood

Joyce Siquiera — Mon, 03 Aug 2026 00:00:00 GMT

As AI agents become harder to distinguish from people, identity checks are reaching their limits. Could proof of personhood offer a more private solution?

A Note from Gavin Wood

Gavin Wood — Wed, 29 Jul 2026 00:00:00 GMT

It has been a long road, but the recent chapters tell a simple story.

Inside Levity: Polkadot's Decentralized Storage Layer

Parity Technologies — Mon, 27 Jul 2026 00:00:00 GMT

Discover how Levity combines the Bulletin Chain and HOP to provide decentralized, verifiable storage and peer-to-peer content delivery for applications built on Polkadot.

Playground . dot - What Happened When 190 People Built on Polkadot at Web3 Summit 2026

Parity Technologies — Mon, 20 Jul 2026 00:00:00 GMT

What Happened When 190 People Built on Polkadot at Web3 Summit 2026

Connecting the Dots: From Blockchain Infrastructure to Product Infrastructure

Parity Technologies — Mon, 13 Jul 2026 00:00:00 GMT

Web3 Summit 2026 revealed a new direction for building products that put people, not platforms, first.

Understanding Stablecoins: Real-World Use Cases, Benefits, and Risks

Armando Caracheo — Sat, 11 Jul 2026 00:00:00 GMT

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A Technical View of Decentralization and Where Polkadot Stands

Fatemeh Shirazi and Armando Caracheo — Wed, 01 Jul 2026 00:00:00 GMT

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Decentralization, Reloaded: Why Blockchain Still Matters

Parity Research — Tue, 19 May 2026 00:00:00 GMT

Explore why decentralization matters, what it enables, and the trade-offs blockchain systems must solve to restore user autonomy.

Refining Polkadot’s Economic Architecture: DOT Issuance, DAP, and Network Adjustments

Parity Technologies — Mon, 02 Mar 2026 00:00:00 GMT

Polkadot introduces a new DOT issuance model, the Dynamic Allocation Pool (DAP), and updates to staking, budget allocation, and network security starting March 12, 2026.

Decentralization and the Evolution of Financial Systems

Parity Research — Thu, 26 Feb 2026 00:00:00 GMT

Part one of a three-part series examining the structural foundations of digital agency. An examination of how decentralization reshapes trust, transparency, and control in modern financial infrastructure.

Polkadot Protocol Builders Program (2026): Advanced Web3 Developer Training

Parity Technologies — Tue, 24 Feb 2026 00:00:00 GMT

Apply to the 2026 Polkadot Protocol Builders Program in Lisbon, Portugal: intensive Substrate, FRAME & XCM training with recruitment alignment to Parity.

What is Polkadot Hub?

Rebecca Turner — Tue, 17 Feb 2026 00:00:00 GMT

Polkadot Hub is a modular smart contract platform that supports both EVM and RISC-V-based contract execution.

Polkadot Hub Smart Contracts: FAQs for Ethereum & L2 Developers

Parity Technologies — Tue, 03 Feb 2026 00:00:00 GMT

Explore how Polkadot Hub smart contracts compare to Ethereum L2s: fees, finality, interoperability, and scaling without forced migrations.

Why Developers Should Deploy Smart Contracts on Polkadot

Parity Technologies — Tue, 27 Jan 2026 00:00:00 GMT

Discover why developers are deploying smart contracts on Polkadot: Solidity compatibility, low fees, fast finality, native interoperability, and a clear path to scale.

TPS isn’t Nonsense - We’re Just Using it Wrong

Dmitry Sinyavin — Wed, 14 Jan 2026 00:00:00 GMT

Why TPS is both misleading and essential; from latency and scaling to business strategy in modern blockchain networks.

Polkadot Roundup 2025

Gavin Wood — Tue, 30 Dec 2025 00:00:00 GMT

It’s time for CEO Gavin Wood's year-end round-up.

Build on Polkadot: September 2025 Product Engineering Update

Parity Technologies — Fri, 10 Oct 2025 00:00:00 GMT

Parity engineers share September updates: reliability metrics, Dotlake analytics, DevContainer, and cross-chain tooling for Polkadot.

Polkadot Upgrade 2025: What You Need to Know

Parity Technologies — Thu, 25 Sep 2025 00:00:00 GMT

Explore Polkadot’s 2025 upgrade: faster blocks, Elastic Scaling, Ethereum compatibility, and PolkaVM smart contracts for real-world apps and DeFi.

A Decade of Building: The Story of Parity Technologies

Parity Technologies — Fri, 05 Sep 2025 00:00:00 GMT

A decade of Parity: from ETHCore to Polkadot 2.0, building the foundations of a decentralized, scalable, and user-owned web.

Back at the Helm: Parity Leadership Update

Gavin Wood — Wed, 13 Aug 2025 00:00:00 GMT

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BlockDeep Labs Takes Over Maintenance of Polkadot JS

Tue, 03 Jun 2025 00:00:00 GMT

Polkadot JS has been an integral part of Parity’s developer offering since its launch in 2018 - now it’s time to hand it over to a team ideally placed to take it on.

Scaling Polkadot: Does it come at a price?

Andrei Sandu — Fri, 25 Apr 2025 00:00:00 GMT

The second in a three-part contextual blog series examining scalability efforts for Polkadot. Here, we explain how Polkadot maintains a strong emphasis on security and resilience while striving for efficiency.

ETHDenver: Good vibes, plus round-the-clock networking

Oliver Brett — Mon, 10 Mar 2025 00:00:00 GMT

What, essentially, is the point of an event like ETHDenver? Oliver Brett was part of a considerable Polkadot contingent attending one of the biggest annual conferences in blockchain, and came away with many more positives than negatives.

Scalability² - The Stepping Stone to a Web3 Cloud

Andrei Sandu — Mon, 24 Feb 2025 00:00:00 GMT

Polkadot is the most scalable technology for building true Web3 applications and creating a 'Web3 cloud. This article, with additional input from Joyce Siqueira, Natalie Tillack, and Oliver Brett, explains the full value of Polkadot's Elastic Scaling model.

The JAM experience. What’s it really like?

Oliver Brett — Thu, 13 Feb 2025 00:00:00 GMT

The second season of the JAM tour hits multiple venues across India, Hong Kong, China, and Taiwan through to early March. Oliver Brett was in the audience for the pipe-opener in Cambridge, UK, on Monday and reflects on a special experience.

Polkadot: Closer to the Rollup Model than you Realize

Joyce Siqueira — Fri, 24 Jan 2025 00:00:00 GMT

This article, featuring additional research from 'eskimor' and Natalie Tillack, considers the inherent similarities, and benefits, of Polkadot’s case-specific chains when compared to the various “rollups” that have become popular in other ecosystems.

Polkadot XCM: Enabling True Interoperability

Adrian Catangiu — Fri, 29 Nov 2024 00:00:00 GMT

Blockchain ecosystems tend to be hampered by poor connectivity, unpredictable costs, and technical complexities. Polkadot’s native cross-consensus messaging (XCM) format is changing that and is evolving rapidly, paving the way for true Web3 interoperability.

A Roadmap to a More Accessible Polkadot

Joe Petrowski — Thu, 24 Oct 2024 00:00:00 GMT

Polkadot can feel complicated and unapproachable. Joe Petrowski lays out Parity’s plans to make it simpler and easier for developers and users alike.

How to Make Meaningful Content in Web3

Oliver Brett — Tue, 15 Oct 2024 00:00:00 GMT

Just pushing new “stuff” online - particularly when it comes to a complex ecosystem like Polkadot - is not the way forward when it comes to providing better information. So what is? (Also featuring the thoughts of Shawn Tabrizi and Alberto Viera).

Demystifying JAM, Polkadot’s game-changer

Kian Paimani — Mon, 30 Sep 2024 00:00:00 GMT

Outlined earlier this year by Polkadot founder Dr Gavin Wood at TOKEN2049 in Dubai, JAM is an exciting technological development for Web3 at large, and not simply the existing Polkadot network. But in order to appreciate it fully, it helps to understand how we got here.

Agile Coretime: Polkadot beyond parachains

Oliver Brett — Thu, 19 Sep 2024 00:00:00 GMT

This article, with additional research from Parity's Natalie Tillack, sheds light on Agile Coretime, a major evolution in Polkadot’s technical framework, and explains what its arrival means for the ecosystem.

How can Polkadot be even better for developers?

Oliver Brett — Fri, 06 Sep 2024 00:00:00 GMT

Effective tooling, controlling the pace of development, and making collaboration as mutually beneficial as possible: just some of the ways developers in the Polkadot ecosystem are trying to raise the network’s performance. The thoughts in this blog are taken from a panel at this summer’s Polkadot Decoded, Putting Developers First.

Abstractions, Intents, Strategies: Emerging Web3 Themes

Michel Erler — Wed, 07 Aug 2024 00:00:00 GMT

After attending EthCC in Brussels last month, Michel Erler considers some new narratives that came out of the popular four-day event. With additional research from Natalie Tillack.

Polkadot Decoded: See the Parity Talks now!

Oliver Brett — Mon, 29 Jul 2024 00:00:00 GMT

All the video from Polkadot Decoded is now in - and we've put all the Parity talks in one place for your convenience!

Parity speakers set to light up Polkadot Decoded

Oliver Brett — Thu, 04 Jul 2024 00:00:00 GMT

The flagship two-day event for the Polkadot ecosystem will showcase a wide range of Parity speakers involved in keynotes, technical updates, and stimulating panel discussions.

Agile Coretime: What's the 'Right' Price?

eskimor — Fri, 28 Jun 2024 00:00:00 GMT

In this article adapted from a Grill blogpost, eskimor outlines a proposal aimed at finding "the right price" for coretime sales - a variant of the Dutch "descending price" auction model.

'Birdo' heads Stateside for Consensus

Alex Bird — Wed, 19 Jun 2024 00:00:00 GMT

A first-time delegate attends Consensus, one of the world's most renowned blockchain conferences, where multiple communities in Web3 are brought together in one big crypto melting pot.

The Polkadot <> Kusama Bridge: Interoperability Unleashed

Adrian Catangiu — Wed, 29 May 2024 00:00:00 GMT

The Polkadot <> Kusama bridge is a pioneering example of trustless interoperability. This article provides an in-depth exploration of the bridge’s functionalities, evolution, and looks at its potential wider impact on blockchain in general.

Building a Better, Faster Polkadot

eskimor — Fri, 10 May 2024 00:00:00 GMT

In this article adapted from a Grill blogpost, one of Parity's senior engineers provides a snapshot of the intense work going on "under the bonnet" of the Polkadot ecosystem.

ink! begins new journey with R0GUE, Aleph Zero and Scio Labs

Oliver Brett — Fri, 26 Apr 2024 00:00:00 GMT

Polkadot's native smart contract language ink! will be collectively shaped by several ecosystem teams going forward, with R0GUE the initial stewards of this new journey.

Async Backing: The Technical Lowdown

Natalie Tillack — Fri, 12 Apr 2024 00:00:00 GMT

The Polkadot ecosystem is about to take a major leap forward in scalability with the upcoming deployment of asynchronous backing. This article, with additional research from Dmitry Sinyavin, Alex Gheorghe, and Joyce Siqueira, explains how.

ETHDenver brings a receptive audience to Polkadot booth

Natalie Tillack — Mon, 25 Mar 2024 00:00:00 GMT

Parity's Natalie Tillack describes a positive experience and a sense of excitement engaging with Polkadot newbies in Denver.

One Repo to Rule Them All

Joyce Siqueira — Tue, 30 Jan 2024 00:00:00 GMT

A Data-Driven Look at Polkadot's Monorepo

We just released ink! 4.0!

Michi Müller — Wed, 08 Feb 2023 00:00:00 GMT

ink! is a programming language for smart contracts — one of several that blockchains built with the Substrate framework can choose from.

Parity Leadership Update

Gavin Wood — Fri, 21 Oct 2022 00:00:00 GMT

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How we created 50K Unique NFTs for Polkadot Decoded 2022 (in one month)

Parity Technologies — Tue, 04 Oct 2022 00:00:00 GMT

Blog contributors: Simon Telezhkin, Parity Technologies Visual 3D Designer Ignasi Albero, Web3 Foundation Brand Lead Hamid Alipour, Parity…

What is Parity's ink!?

Michi Müller — Tue, 20 Sep 2022 00:00:00 GMT

On the occasion of ink! surpassing 1,000 stars on Github, we take a deep dive into the smart contract programming language. ink! is a…

Introducing Substrate Marketplace: Your One-Stop Resource for Substrate Pallets

Parity Technologies — Wed, 29 Jun 2022 00:00:00 GMT

The Substrate Developer Hub has just received a major update aimed at improving the Substrate learning and building experience. In…

Parity Signer gets a major update

Parity Technologies — Mon, 02 May 2022 00:00:00 GMT

Parity Signer 5.0 Beta: Parity’s Advanced Air-Gapped Wallet Gets a Major Update

Introducing Square One: Your Starting Point to Building on Substrate, Polkadot, and Kusama

Parity Technologies — Thu, 28 Apr 2022 00:00:00 GMT

Square One is a new initiative from Parity offering ecosystem direction and a customized support route across Substrate resources for new…

ink! 3.0: Parity’s Rust-Based Language for WASM Smart Contracts Gets a Major Update

Parity Technologies — Wed, 16 Mar 2022 00:00:00 GMT

ink!, Parity’s Rust-based programming language for writing Web Assembly (Wasm) smart contracts, has just launched its biggest update to date…

Subspace: Archiving Kusama with OnFinality

Parity Technologies — Tue, 30 Nov 2021 00:00:00 GMT

Subspace Labs has completed its first milestone as part of the Substrate Builders Program , bringing us one step closer to a permanent…

Introducing Substrate Connect: Browser-Based Light Clients for Connecting to Substrate Chains

Parity Technologies — Wed, 13 Oct 2021 00:00:00 GMT

Substrate Connect, a browser-based light client for Substrate-based chains, has landed as the latest addition to Substrate’s technology…

Building a Hot Wallet With Substrate Primitives

Joe Petrowski — Tue, 17 Nov 2020 00:00:00 GMT

Substrate and the FRAME system for runtime development define a powerful set of primitive functions for building blockchain infrastructure…

Moonbeam: Ethereum Smart Contracts on Substrate

Phil Lucsok — Tue, 10 Nov 2020 00:00:00 GMT

We already know that Substrate makes it easy for blockchain builders to design and deploy blockchains, but how can decentralized application…

Substrate 2.0 is here

Phil Lucsok — Tue, 22 Sep 2020 00:00:00 GMT

Substrate has reached the major milestone of version 2.0. The blockchain framework now comes with off-chain workers, over 70 composable…

Substrate 2.0.0 Release Deep-Dive

Parity Technologies — Sun, 20 Sep 2020 00:00:00 GMT

Substrate Release Deep-Dive is a new series of posts highlighting notable updates to the Substrate and FRAME codebases. In each edition, we…

Announcing Substrate Builders Program V2

Phil Lucsok — Thu, 23 Jul 2020 00:00:00 GMT

The Substrate Builders Program initially launched to pool Parity’s internal resources to provide Business Development, Marketing and…

IoT on Substrate: Nodle.io

Phil Lucsok — Sun, 24 May 2020 00:00:00 GMT

Over 10 million smartphones securing IoT-enabled devices There are millions of smartphones, smart TVs, and even smart refrigerators. It isn…

Social recovery on Substrate

Phil Lucsok — Wed, 15 Apr 2020 00:00:00 GMT

Never lose access to your cryptocurrency accounts Why do we need social recovery systems? Only a small group of people have the experience…

Built on Substrate: Centrifuge Chain

Phil Lucsok — Tue, 07 Apr 2020 00:00:00 GMT

Currently, the flow of financial information and money is opaque and disconnected. The data silos and fragmentation that exist today create…

Announcing the initial participants in the Substrate Builders Program

Eric Wang — Thu, 05 Mar 2020 00:00:00 GMT

The Substrate Builders Program has kicked off in full swing with 17 total teams already joining the program. The Builders Program…

Write Wasm smart contracts with ink! 2.0

Robin Freyler — Mon, 02 Mar 2020 00:00:00 GMT

The next chapter of ink! , our Rust -based eDSL for writing Wasm smart contracts, has arrived. ink! was first announced at Sub0 , our…

Built on Substrate: KILT Protocol

Zach Cavanaugh — Wed, 12 Feb 2020 00:00:00 GMT

In recent years, several high-profile data scandals have helped spread awareness of privacy and data rights issues among the general public…

Contributors Join OpenEthereum

Phil Lucsok — Wed, 05 Feb 2020 00:00:00 GMT

Last month we announced that the Parity Ethereum client will be transitioning to an open, collaborative project called OpenEthereum.

An Update on Parity’s Ethereum Foundation Grant Progress

Jutta Steiner — Thu, 19 Dec 2019 00:00:00 GMT

Ever since starting Parity Technologies at the end of 2015, we had discussions with the Ethereum Foundation about supporting our open source…

Transitioning Parity Ethereum to OpenEthereum DAO

Parity Technologies — Mon, 16 Dec 2019 00:00:00 GMT

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Introducing the Substrate Builders Program

Parity Technologies — Wed, 11 Dec 2019 00:00:00 GMT

Substrate is the framework for building blockchains. It is extensive, modular, and open source, and allows you to build any blockchain…

Built on Substrate: Polymesh, a specialized security token blockchain

Phil Lucsok — Wed, 04 Dec 2019 00:00:00 GMT

Back in 2017 when Polymath began their mission to build the best in-class security token platform, they were faced with a significant…

Rust 2020

Benjamin Kampmann — Fri, 29 Nov 2019 00:00:00 GMT

What the developers at Parity would like to see happen in Rust in 2020. At Parity we have been on board the Rust train from very early on…

Hello, Substrate!

Shawn Tabrizi — Fri, 22 Nov 2019 00:00:00 GMT

An Introduction to the Substrate Blockchain Framework In this post, I will try to explain the Substrate blockchain framework in a way that…

Substrate EVM and Polkadot-Ethereum Compatibility

Zach Cavanaugh — Fri, 15 Nov 2019 00:00:00 GMT

TL;DR : Substrate EVM will allow unmodified Solidity code to be deployed on a Substrate-based blockchain (including Polkadot parachains…

Substrate off-chain workers: Secure and efficient computing-intensive tasks

Phil Lucsok — Thu, 14 Nov 2019 00:00:00 GMT

Many blockchain developers, enthusiasts and technologists often get the question, "what can we put on a blockchain?" We can cite the early…

Release: Parity Ethereum goes to Istanbul

Parity Technologies — Wed, 13 Nov 2019 00:00:00 GMT

UPDATE (December 5th, 2019): Please download the latest releases, Parity Ethereum v2.5.11-stable and v2.6.6-beta to make sure you're…

Ethereum Light Wallet Parity Fether Completes Audit, v0.4-beta Shipped

Thibaut Sardan — Mon, 11 Nov 2019 00:00:00 GMT

We are thrilled to announce that Parity Fether has been audited by Trails of Bits and all the recommended fixes have been completed. As a…

Parity Signer v3.0 Beta is here!

Thibaut Sardan — Tue, 01 Oct 2019 00:00:00 GMT

Parity Signer is a mobile application that turns your old smartphone into a hardware wallet. This app is meant to be used on a dedicated…

Hacktoberfest 2019 @ Parity

Benjamin Kampmann — Wed, 25 Sep 2019 00:00:00 GMT

As in previous years, Parity will participate in Hacktoberfest. However, we’ve heard from many people who want it to be easier to get into…

Preparing for Istanbul: New Parity Ethereum release

Parity Technologies — Thu, 19 Sep 2019 00:00:00 GMT

Today we released new versions of Parity Ethereum, 2.5.8-stable and 2.6.3-beta.

New in Parity Signer v2.2 Beta: BIP-39, message signing, UX improvements

Phil Lucsok — Thu, 08 Aug 2019 00:00:00 GMT

Already available on the iOS App Store and Google Play Store , Parity Signer lets you generate, store, and safely sign transactions with…

Built on Substrate: Polkascan

Phil Lucsok — Sun, 14 Jul 2019 00:00:00 GMT

Substrate for Substrate chains. How Polkascan is building a multi-chain block explorer using Substrate. As Substrate’s 1.0 release nears…

UN World Food Programme uses Parity Ethereum to aid 100,000 refugees

Gautam Dhameja — Mon, 18 Feb 2019 00:00:00 GMT

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