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

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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Educational materials & tutorials about The Graph

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