Oct 19, 2025 · 8 min read · 1. Oracles là gì? Định nghĩa và tầm quan trọng 1.1 Định nghĩa cơ bản Trong môi trường blockchain, Oracles (còn gọi là Oracle) là những dịch vụ hoặc giao thức cung cấp dữ liệu bên ngoài (off‑chain) cho các hợp đồng thông minh (smart contract) ở chuỗi ...
Join discussionSep 19, 2025 · 4 min read · GM GM people, again a good day to learn something new and this time a bit code heavy (vibe coding smirking at me😏). Anyways in this blog we are exploring Supra oracles and how to use them to fetch real time price feeds on Arbitrum Sepolia. And and a...
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May 9, 2025 · 11 min read · Introduction Rootstock (RSK) is a layer 2 solution founded to bring Ethereum’s smart contract features to Bitcoin while making on-chain transactions cheaper and more scalable than Bitcoin. This means RSK now combines the security offered by Bitcoin a...
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Mar 24, 2025 · 6 min read · INTRODUCTION Welcome to this series on building the King of the Hill smart contract! In this tutorial, we will leverage Dia oracles to generate randomness, which will play a crucial role in determining the next King of the Hill. CodeBase Repository: ...
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Mar 21, 2025 · 2 min read · INTRODUCTION Smart contracts are the driving engine of blockchain applications, enabling decentralized, trustless execution of agreements (self executing instructions). However, they suffer from a fundamental limitation: they cannot access real-world...
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Nov 15, 2023 · 3 min read · Introduction: Welcome to the blockchain circus, where smart contracts perform magical feats! But behind the scenes, there's a group of unsung heroes making sure these contracts get the real-world data they need. Ladies and gentlemen, meet the oracles...
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Aug 10, 2022 · 9 min read · A smart contract is a code that contains a set of rules that govern how parties interact with one another. If and when the predefined rules are met, the agreement is automatically enforced. By principle, blockchain networks and smart contracts are de...
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