Peera is a decentralized questions and answers protocol for Web3 where users can organize and store their interests and skills, creating a common community platform

Peera Meta

Aave is a decentralized non-custodial liquidity protocol where users can participate as depositors or borrowers.

Aave

Solidity is an object-oriented, high-level language for implementing smart contracts. It is a curly-bracket language designed to target the Ethereum Virtual Machine (EVM).

Solidity

Ankr makes accessing Web3 easy for those who want to build and earn on the future web. Ankr is the main infrastructure provider for Polygon, BNB Smart Chain, and Fantom.

Ankr

Vyper is a relatively new, pythonic programming language used to write smart contracts. Vyper targets Ethereum Virtual Machine making it virtually impossible for developers to code misleading programs.

Vyper

Functionland is replacing Cloud Storage and Service Subscription economy by introducing a new category of products, called Blockchain-Attached Storage. It creates value by auto-minting crypto for the users and allocating a share to the developers.

Functionland

Fractal Visions is a builder owned and operated creative web3 NFT project hub and a multifaceted & multidimensional experience. Bridging the gap between the physical and digital world.

Fractal Visions

D_D Academy is an open-source education platform created by the Developer DAO.

D_D Academy

Cyfrin Updraft is an education platform specializing on teaching the next generation of smart contract developers 

Cyfrin Updraft

The Graph is a decentralized protocol for indexing and querying blockchain data. The Graph makes it possible to query data that is difficult to query directly.

The Graph

Polygon is a decentralised Ethereum scaling platform that enables developers to build scalable user-friendly dApps with low transaction fees without ever sacrificing on security.

Polygon

Web3 (also known as Web 3.0) is an idea for a new iteration of the World Wide Web which incorporates concepts such as decentralization, blockchain technologies, and token-based economics.

All Things Web3

Koii is a new way to design communications infrastructure that distributes computing authority across a wider group of personal devices.

Koii Network

The Graph（GRT）是一种去中心化协议，旨在索引和查询来自区块链的数据，首先是以太坊. 它使开发人员能够构建和发布称为子图的开放API，使去中心化应用程序（dApps）可以轻松访问区块链数据. 索引者、策展人和委托人等参与者在网络内使用原生代币GRT来确保所查询数据的经济安全和完整性.  

截至2025年3月14日，GRT的交易价格约为0.094美元，24小时交易量约为3,600万美元. 目前的价格反映了其历史最高水平2.84美元的大幅下跌，表明过去几年呈下降趋势. 

GRT的价格走势受到各种因素的影响，包括技术进步、监管发展和更广泛的宏观经济指标. 随着时间的推移，这些元素共同导致了观测值的下降. 


请注意，加密货币市场波动很大，过去的表现并不能保证未来的业绩. 在做出任何投资决策之前，必须进行彻底的研究并考虑您的财务状况. 

The Graph (GRT) is a decentralized protocol designed to index and query data from blockchains, starting with Ethereum. It enables developers to build and publish open APIs, known as subgraphs, that make blockchain data easily accessible for decentralized applications (dApps). The native token, GRT, is utilized within the network by participants such as Indexers, Curators, and Delegators to ensure the economic security and integrity of the data being queried. 

As of March 14, 2025, GRT is trading at approximately $0.094, with a 24-hour trading volume of around $36 million. This current price reflects a significant decline from its all-time high of $2.84, indicating a downward trend over the past few years.

The price trajectory of GRT has been influenced by various factors, including technological advancements, regulatory developments, and broader macroeconomic indicators. These elements have collectively contributed to the observed decrease in value over time.


Please note that cryptocurrency markets are highly volatile, and past performance does not guarantee future results. It's essential to conduct thorough research and consider your financial situation before making any investment decisions.

GRT Token - what are your thoughts?

GRT 代币-你有什么想法？

I'm curious to know if substreams are available as free and open-source solutions. I would appreciate any insights or information regarding the accessibility and licensing of substreams.

Are substreams free and open source?

I am currently working on a subgraph mapping and I need to iterate over a set of data. However, when I try to use a for loop in the subgraph mapping, I encounter an iterators not implemented error. Is there a way to implement a for loop in the subgraph mapping or are there any alternative approaches to

Subgraph mapping - 'Iterators not implemented' Error

I am seeking guidance on how to properly configure the new handler mapping functionality using substream in subgraph.yaml. I have attempted to follow the example provided in the repository (https://github.com/mangas/near-wasm-block/issues/1), but I am encountering compilation errors. Any help in understanding the correct setup would be greatly appreciated.

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