https://openguild.wtf/blog An open community driven by Web 3.0 builders elevating Polkadot en-us openguildteam@gmail.com (OpenGuild Labs) openguildteam@gmail.com (OpenGuild Labs) Wed, 14 Jan 2026 00:00:00 GMT https://openguild.wtf/blog/polkadot/polkavm-missing-opcodes-and-workarounds https://openguild.wtf/blog/polkadot/polkavm-missing-opcodes-and-workarounds A deep dive into EVM opcodes that are unsupported or altered in PolkaVM, and the architectural workarounds developers need to adopt when migrating Solidity contracts to Polkadot Hub. Wed, 14 Jan 2026 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotpolkaVMevmlang-en https://openguild.wtf/blog/polkadot/how-polkadot-enable-multichain-apps https://openguild.wtf/blog/polkadot/how-polkadot-enable-multichain-apps Polkadot Hub brings native smart contract execution to Polkadot through PolkaVM, enabling developers to build multi-chain applications with seamless cross-chain messaging and shared security. Thu, 08 Jan 2026 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotsoliditypolkaVMlang-en https://openguild.wtf/blog/polkadot/polkadot-hub-is-another-evm-chain https://openguild.wtf/blog/polkadot/polkadot-hub-is-another-evm-chain The Polkadot Hub is about to become EVM compatible. What makes it different from other EVM blockchains and why should you care? Tue, 06 Jan 2026 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalEVMpallet-reviveblockchainpolkadotsoliditypolkaVMlang-en https://openguild.wtf/blog/polkadot/polkadot-path-of-eth-transaction-on-polkadot-hub https://openguild.wtf/blog/polkadot/polkadot-path-of-eth-transaction-on-polkadot-hub The EVM Transaction Lifecycle on Polkadot Asset Hub represents a paradigm shift in how Polkadot achieves Ethereum compatibility Tue, 23 Dec 2025 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotsoliditypolkaVMlang-enevm https://openguild.wtf/blog/polkadot/polkadot-second-age https://openguild.wtf/blog/polkadot/polkadot-second-age Polkadot 2025: Crossing the Threshold into the Second Age Tue, 16 Dec 2025 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotsoliditypolkaVMlang-enevm https://openguild.wtf/blog/polkadot/polkadot-introduction-to-polkatool https://openguild.wtf/blog/polkadot/polkadot-introduction-to-polkatool This guide walk through the open-source library polkatool for working with PolkaVM binary compilation and linking. Fri, 12 Dec 2025 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotpolkatoolpolkaVMlang-en https://openguild.wtf/blog/polkadot/polkadot-polkavm-evm https://openguild.wtf/blog/polkadot/polkadot-polkavm-evm PolkaVM (PVM) is a next-generation, RISC-V-based virtual machine designed by Polkadot to address the performance and scalability limitations of the Ethereum Virtual Machine Fri, 28 Nov 2025 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotsoliditypolkaVMlang-enevm https://openguild.wtf/blog/polkadot/polkadot-from-substrate-to-polkadot-sdk https://openguild.wtf/blog/polkadot/polkadot-from-substrate-to-polkadot-sdk From Substrate to Polkadot SDK: Re-engineering the Foundation of the Polkadot Ecosystem Wed, 12 Nov 2025 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotsoliditypolkaVMlang-enpolkadot-sdkevm https://openguild.wtf/blog/polkadot/polkadot-introducing-about-dual-vm-architecture-polkadot-hub https://openguild.wtf/blog/polkadot/polkadot-introducing-about-dual-vm-architecture-polkadot-hub Polkadot Hub is introducing a dual-VM architecture to get the best of both worlds. It uses REVM to provide immediate, 100% EVM compatibility for existing Solidity apps, and PolkaVM (a next-gen RISC-V engine) for superior performance and low-cost execution. Mon, 10 Nov 2025 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotsoliditypolkaVMlang-enevmrevm https://openguild.wtf/blog/polkadot/polkadot-deploying-uniswapV2-on-PolkaVM https://openguild.wtf/blog/polkadot/polkadot-deploying-uniswapV2-on-PolkaVM This guide provides a complete walkthrough for deploying a Uniswap V2 instance to the PolkaVM, the EVM-compatible layer on Asset Hub. By following these steps, you can migrate your existing Web3 dApps to the Kusama ecosystem. Fri, 19 Sep 2025 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotsoliditypolkaVMlang-en https://openguild.wtf/blog/polkadot/polkadot-smartcontract-devcontainer https://openguild.wtf/blog/polkadot/polkadot-smartcontract-devcontainer This tutorial shows you how to use the official Smart Contract DevContainer to seamlessly set up a local development environment for Polkadot smart contracts using either Hardhat or Foundry. Fri, 19 Sep 2025 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotsoliditypolkaVMlang-en https://openguild.wtf/blog/polkadot/polkadot-async-backing https://openguild.wtf/blog/polkadot/polkadot-async-backing This guide provides a comprehensive walkthrough for upgrading an existing Substrate-based parachain to enable the **Async Backing** feature. The process involves preparing a new client binary and runtime, then executing a live runtime upgrade and client migration on a local test network managed by Zombienet. Wed, 10 Sep 2025 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalasync-backingpolkadotparachainpolkadot-2.0lang-en https://openguild.wtf/blog/polkadot/making-polkadot-2-work-for-you-building-your-own-parachain https://openguild.wtf/blog/polkadot/making-polkadot-2-work-for-you-building-your-own-parachain Parachains on Polkadot 2.0 are equipped to become your project's workhorse. Find out what new innovations are coming to Parachains with Polkadot's biggest upcoming update Wed, 20 Aug 2025 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotsoliditypolkaVMlang-en https://openguild.wtf/blog/polkadot/polkadot-introduction-to-foundry-polkadot https://openguild.wtf/blog/polkadot/polkadot-introduction-to-foundry-polkadot This tutorial explains how to deploy a Solidity smart contract to a Polkadot testnet using Foundry Polkadot Thu, 07 Aug 2025 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotsoliditypolkaVMlang-en https://openguild.wtf/blog/polkadot/polkadot-introduction-to-hardhat-polkadot https://openguild.wtf/blog/polkadot/polkadot-introduction-to-hardhat-polkadot This guide details setting up a Solidity development environment for PolkaVM on Polkadot, using Hardhat to deploy ERC20 tokens on Paseo Asset Hub. Wed, 23 Jul 2025 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotsoliditypolkaVMlang-en https://openguild.wtf/blog/polkadot/polkadot-how-to-set-up-pallet-revive-in-substrate-parachain-template https://openguild.wtf/blog/polkadot/polkadot-how-to-set-up-pallet-revive-in-substrate-parachain-template A deep dive into the substrate-revive-node, a minimal Substrate node template with pallet-revive, and its strategic importance for developers building for the next generation of Polkadot. Fri, 04 Jul 2025 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotpolkadot-sdkpolkaVMlang-en https://openguild.wtf/blog/polkadot/polkadot-ecosystem-orbit-1 https://openguild.wtf/blog/polkadot/polkadot-ecosystem-orbit-1 Dive into the latest innovations across the Polkadot ecosystem—from seamless cross-chain swaps with Unispell and next-gen NFTs on Unique Network to faster Kusama block times, one-click rollups, and ink! v6. We also explore major developer tooling updates, including Solidity support, Hardhat integration, and the new PolkaVM query interface. Wed, 21 May 2025 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) blockchainpolkadotbeginnerecosystemnews https://openguild.wtf/blog/polkadot/polkadot-jam-chain https://openguild.wtf/blog/polkadot/polkadot-jam-chain JAM, viết tắt của Join-Accumulate Machine, là một giao thức blockchain hoàn chỉnh và nhất quán, được thiết kế để kết hợp các yếu tố của cả Polkadot và Ethereum. JAM không chỉ là một thiết kế tiềm năng để kế thừa Relay Chain của Polkadot mà còn là một giao thức toàn diện cho môi trường đối tượng không cần quyền toàn cầu. Mon, 25 Nov 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotlang-vn https://openguild.wtf/blog/polkadot/building-your-ai-agent-contract-locally-with-open-ai-and-phala-network https://openguild.wtf/blog/polkadot/building-your-ai-agent-contract-locally-with-open-ai-and-phala-network Learn how to create an AI agent contract locally using OpenAI and Phala Network in the Polkadot ecosystem. Over the past several years, we’ve witnessed the drastic progress of Artificial Intelligence. Tue, 29 Oct 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagepolkadotparachain https://openguild.wtf/blog/rust/rustlings-summary https://openguild.wtf/blog/rust/rustlings-summary Collection of Rustlings' solutions. Tue, 29 Oct 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/polkadot/polkadot-xcm-introduction https://openguild.wtf/blog/polkadot/polkadot-xcm-introduction XCM is the message format and language used to communicate between consensus systems. Whereas XCMP is the network-layer protocol that facilitates XCM communication. Sat, 17 Aug 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) blockchainpolkadotbeginneropengov https://openguild.wtf/blog/polkadot/polkadot-opengov-introduction https://openguild.wtf/blog/polkadot/polkadot-opengov-introduction Implementing Governance Proposals on Polkadot Description Step-by-step guide on how to create, propose, and implement governance proposals on the Polkadot network. Thu, 15 Aug 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) blockchainpolkadotbeginneropengov https://openguild.wtf/blog/polkadot/polkadot-ink-smart-contract-tutorial https://openguild.wtf/blog/polkadot/polkadot-ink-smart-contract-tutorial Ready to dive into the world of decentralized applications on Polkadot? This tutorial will guide you through building your first dApp using Ink!, Polkadot's powerful smart contract language. Wed, 24 Jul 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotintermediatesmart-contract https://openguild.wtf/blog/rust/rustlings-20-threads https://openguild.wtf/blog/rust/rustlings-20-threads The 20th chapter of Rustlings - Threads Sat, 13 Jan 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/rust/rustlings-21-macros https://openguild.wtf/blog/rust/rustlings-21-macros The 21st chapter of Rustlings - Macros Sat, 13 Jan 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/rust/rustlings-18-iterators https://openguild.wtf/blog/rust/rustlings-18-iterators The 18th chapter of Rustlings - Iterators Thu, 11 Jan 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/rust/rustlings-16-lifetimes https://openguild.wtf/blog/rust/rustlings-16-lifetimes The 16th chapter of Rustlings - Lifetimes Wed, 10 Jan 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/rust/rustlings-17-tests https://openguild.wtf/blog/rust/rustlings-17-tests The 17th chapter of Rustlings - Tests Wed, 10 Jan 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/rust/rustlings-19-smart-pointers https://openguild.wtf/blog/rust/rustlings-19-smart-pointers The 19th chapter of Rustlings - Smart Pointers Wed, 10 Jan 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/rust/rustlings-14-generics https://openguild.wtf/blog/rust/rustlings-14-generics The 14th chapter of Rustlings - Generics Tue, 09 Jan 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/rust/rustlings-15-traits https://openguild.wtf/blog/rust/rustlings-15-traits The 15th chapter of Rustlings - Traits Tue, 09 Jan 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/rust/rustlings-12-options https://openguild.wtf/blog/rust/rustlings-12-options The 12th chapter of Rustlings - Options Mon, 08 Jan 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/rust/rustlings-13-error-handling https://openguild.wtf/blog/rust/rustlings-13-error-handling The 13th chapter of Rustlings - Error Handling Mon, 08 Jan 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/rust/rustlings-10-modules https://openguild.wtf/blog/rust/rustlings-10-modules The 10th chapter of Rustlings - Modules Sun, 07 Jan 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/rust/rustlings-11-hashmap https://openguild.wtf/blog/rust/rustlings-11-hashmap The 11th chapter of Rustlings - Hash Maps Sun, 07 Jan 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/rust/rustlings-07-structs https://openguild.wtf/blog/rust/rustlings-07-structs The 7th chapter of Rustlings - Structs Sat, 06 Jan 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/rust/rustlings-08-enums https://openguild.wtf/blog/rust/rustlings-08-enums The 8th chapter of Rustlings - Enums Sat, 06 Jan 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/rust/rustlings-09-strings https://openguild.wtf/blog/rust/rustlings-09-strings The 9th chapter of Rustlings - Strings Sat, 06 Jan 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/rust/rustlings-05-vecs https://openguild.wtf/blog/rust/rustlings-05-vecs The fifth chapter of Rustlings - Vecs Fri, 05 Jan 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/rust/rustlings-06-move-semeantics https://openguild.wtf/blog/rust/rustlings-06-move-semeantics The sixth chapter of Rustlings - Move semantics Fri, 05 Jan 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/rust/rustlings-01-variables https://openguild.wtf/blog/rust/rustlings-01-variables Introduction about Rustlings and the first chapter - variables Wed, 03 Jan 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/rust/rustlings-02-functions https://openguild.wtf/blog/rust/rustlings-02-functions The second chapter of Rustlings course - Functions Wed, 03 Jan 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/rust/rustlings-03-if https://openguild.wtf/blog/rust/rustlings-03-if The third chapter of Rustlings - If Wed, 03 Jan 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/rust/rustlings-04-primitives https://openguild.wtf/blog/rust/rustlings-04-primitives The third chapter of Rustlings - Primitive types Wed, 03 Jan 2024 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerustrust-course-rustlings https://openguild.wtf/blog/polkadot/polkadot-guide-offchain-workers-la-gi https://openguild.wtf/blog/polkadot/polkadot-guide-offchain-workers-la-gi Offchain workers là một phần quan trọng không thể thiếu của Substrate để giải quyết các vấn đề không cần dùng đến tài nguyên onchain như query dữ liệu từ các nguồn dữ liệu offchain trước khi cập nhật trạng thái trên blockchain. Fri, 15 Dec 2023 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotsubstrateintermediatepallet/offchain-workerslang-vn https://openguild.wtf/blog/polkadot/polkadot-guide-transaction-fee-weights https://openguild.wtf/blog/polkadot/polkadot-guide-transaction-fee-weights Khi giao dịch được thực thi hoặc dữ liệu được lưu trữ on-chain, các hoạt động thay đổi trạng thái và tiêu thụ tài nguyên của blockchain. Vì các tài nguyên và blockchain cung cấp có giới hạn, việc quản lý lượng tiêu thụ của các hoạt động on-chain là rất quan trọng. Tue, 12 Dec 2023 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotsubstratebeginnerlang-vn https://openguild.wtf/blog/polkadot/code-breakdown-pallet-template https://openguild.wtf/blog/polkadot/code-breakdown-pallet-template Phân tích mã nguồn của code mẫu cho FRAME pallet và hướng dẫn về cách Pallet được sử dụng và cách thêm Pallet tuỳ chỉnh mới vào Substrate Runtime. Mon, 11 Dec 2023 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotsubstrateintermediatecode-breakdownpalletlang-vn https://openguild.wtf/blog/polkadot/polkadot-guide-pallet-la-gi https://openguild.wtf/blog/polkadot/polkadot-guide-pallet-la-gi Pallet là cốt lõi của mạng Substrate. Pallet có thể được xem là những mô đun nhỏ lẻ của FRAME gồm từng vai trò cụ thể trong việc khởi tạo tính năng phù hợp cho mạng Substrate. Tue, 05 Dec 2023 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotsubstratebeginnerpalletlang-vn https://openguild.wtf/blog/polkadot/polkadot-guide-gia-lap-mang-substrate https://openguild.wtf/blog/polkadot/polkadot-guide-gia-lap-mang-substrate Hướng dẫn chạy mạng Substrate riêng tư kết nối với các node ngang hàng và phân quyền cụ thể cho từng node Sun, 03 Dec 2023 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotsubstratebeginnerlang-vn https://openguild.wtf/blog/polkadot/code-breakdown-substrate-p2p-networking https://openguild.wtf/blog/polkadot/code-breakdown-substrate-p2p-networking Sơ lược về kiến trúc mạng ngang hàng của Substrate Node và một số cơ chế tìm các node ngang hàng trong cùng một mạng lưới. Tue, 28 Nov 2023 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotsubstrateintermediatecode-breakdownlang-vn https://openguild.wtf/blog/polkadot/code-breakdown-substrate-node https://openguild.wtf/blog/polkadot/code-breakdown-substrate-node Sơ lược về kiến trúc của Substrate Node và phân tích mã nguồn. Mã nguồn của Substrate Node bao gồm 3 thành phần cốt lõi là node, runtime và pallet. Fri, 24 Nov 2023 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotsubstrateintermediatecode-breakdownlang-vn https://openguild.wtf/blog/rust/data-representation-and-layout https://openguild.wtf/blog/rust/data-representation-and-layout In the realm of low-level programming, the intricacies of data representation significantly influence how byte data is aligned in memory. Wed, 22 Nov 2023 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicallanguagerust https://openguild.wtf/blog/polkadot/polkadot-guide-chay-local-substrate-node https://openguild.wtf/blog/polkadot/polkadot-guide-chay-local-substrate-node Hướng dẫn làm sao để chạy một local substrate node để bắt đầu phát triển một solochain hoặc blockchain trong hệ sinh thái của Polkadot Mon, 13 Nov 2023 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotbeginnersubstratelang-vn https://openguild.wtf/blog/polkadot/polkadot-sdk-substrate https://openguild.wtf/blog/polkadot/polkadot-sdk-substrate Substrate là một bộ công cụ phát triển phần mềm (SDK - Software Development Kit) được cung cấp bởi Parity Technologies nhằm hỗ trợ phát triển các nút blockchain với khả năng cấu hình và mở rộng dễ dàng không phụ thuộc vào trạng thái của giao thức mạng blockchain... Fri, 10 Nov 2023 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotbeginnersubstratelang-vn https://openguild.wtf/blog/polkadot/polkadot-sdk-la-gi https://openguild.wtf/blog/polkadot/polkadot-sdk-la-gi Polkadot SDK là một bộ công cụ phát triển phần mềm cung cấp tất cả những tài nguyên cần thiết để bắt đầu xây dựng và phát triển trên mạng Polkadot, nền tảng blockchain đã chuỗi (multi-chain) cho phép các blockchain khác nhau cùng vận hành và chia sẻ thông tin một cách an toàn và dễ dàng mở rộng. Polkadot SDK bao gồm 3 thành phần cốt lõi: Polkadot, Substrate và Cumulus Thu, 09 Nov 2023 00:00:00 GMT openguildteam@gmail.com (OpenGuild Labs) technicalblockchainpolkadotpolkadot-sdklang-vn