GiveRep provides a social reputation layer for crypto users. It tracks user engagement and builds reputation on X/Twitter. Engagement scores are based on the number of views, likes, retweets and comments on a user's tweets.

Ethos is a decentralized social (DeSo) application bringing reputation and credibility on-chain. It allows users to stake their Ethereum in other people so crypto participants understand who they can trust in web3. Ethos team went ahead and launched Ethos markets, allowing users to bet on user credibility, sort of similar to prediction markets.

MonadScore is an AI-powered decentralized reputation system built on the Monad blockchain. It evaluates on-chain activity, smart contract interactions, and node participation to generate real-time reputation scores for individuals and projects. These scores enable fair and transparent assessments for airdrops, governance, and ecosystem incentives, ensuring that active contributors are recognized and rewarded.

jokerace is a governance platform that allows projects to launch contests and hackathons, issue grants, and offer incentives to community members on-chain. Jokerace will be using on-chain reputations to assess who should have more say in the governance process.

Nomis is an infrastructure for web3 wallet qualifer and credentials protocol that helps founders and developers build better products, communities, and experiences. It is built on an open and collaborative infrastructure and provides personal rate calculated and balanced based on wallets’ on-chain data. It aims to build a protocol which will use math and an AI-based prediction model to enable users with a positive on-chain credit score to take out crypto loans with less collateral.

Reppo is a risk & reputation modelling network for DePINs. Reppo models bridge the gap between verifiability and reliability in the Web3 ecosystem to help users assess systemic risks.

Radius is a decentralized network that connects independent workers and teams to the best projects in web3. It is building decentralized reputation systems, skills attestation protocols, and a user-owned and value accretive economy. In accordance with its mission, it will also build educational curricula and programs to help train Radius workers and onboard them successfully into web3 work opportunities.

Decert.me is a Web3 education and certification platform incubated by the @UpchainDAO. The platform combines AI and blockchain to help developers better learn and build their own on-chain credit history.

Mande Network is an open on-chain reputation layer on Web3 to record credit scores, ratings, activities, reputation, and digital identity accomplishments.

Light is a decentralized web3 reputation protocol, allowing users to build their social status and earn rewards for their on-chain activity and credentials. It enables users to curate, discover, and explore meaningful interactions on the metaverse in ways that were not previously possible.

Mazury is a web3 professional reputation platform that enables users to earn, display, and utilize web3 credentials to access exclusive job and career growth opportunities. On Mazury, users can showcase their contributions to various projects to secure jobs at the most innovative startups and DAOs. The platform features a competence-based reputation system that provides an on-chain mechanism for builders and talent to come together and collaborate.

Tenbin is a decentralized social reputation map operates as a permissionless and censorship-resistant public good, ensuring no single entity can control how society measures trust and reputation. The underlying mathematical principles extend well beyond reputation measurement, enabling thoughtful evaluation of any opposing binary preferences, and are also resilient against major currency crises.

Shards Protocol is building Aura, the recognition layer of Web3. It captures users' on-chain behavior and transforms it into visible, verifiable reputation, and rewards them for it. By redefining InfoFi, Aura converts transaction history into cash and credibility, leveling the playing field for silent contributors.

Immutable Ratings is a blockchain-based platform engineered to anchor public sentiment to the web in a way that's permanent, decentralized, and transparent. Immutable Ratings enables users to leave lasting opinions tied directly to any supported URL. Whether it's a social profile, a post, a public figure, or a brand presence online, the rating becomes an indelible mark recorded onchain.

True Network is an on-chain reputation system that enables dApps to issue verified records known as attestations. Algorithms written in TypeScript process the attestations, which are executed as WebAssembly (wasm) modules to compute user reputation scores.

Goat.Tech is Decentralized Reputation Layer with Restaking Yield that evolves over 2 phases (a Dapp and an ETH L2): Phase 1 (Goat Dapp): First Gamified Onchain Reputation Protocol with Native Yield is a social-financial game where users stake ETH to increase each other’s reputation (Trust Score), earn rewards, and find out who is the GOAT (highest Trust Score). Phase 2 (Goat L2): First Restaked L2 for Onchain Reputation is the only L2 built on a unique combination of components that natively restake deposited ETH to earn user not just ETH staking yield but also extra restaking rewards.

OpenRank is a decentralized ranking and reputation protocol. It enables a verifiable reputation compute layer for the open web that unlocks a broad range of useful applications, including those that resist cryptographic or game-theoretic mechanisms of trust. Using OpenRank, developers can create ranking, recommendation and sybil-resistance systems for their applications and protocols. Developers can also power search and discovery for marketplaces and consumer applications.

Karma3 Labs is building a ranking and reputation infrastructure using the EigenTrust algorithm. Karma3 Labs aim to make it easy for web3 developers to able sybil-resistant.

Lingose aims to establish a game ID system based on blockchain data.Provide qualification certificates by capturing the users behavior on the chain. Every step and achievement in the chain game will be the users` own value embodiment and thus to better build their own Web3 indentity brand. Lingose builds the user’s resume on the chain by setting up ID system, user behavior capture system, EXP, POP system and reputation system. Let every user`s action become quantifiable value and return the benefits that belong to the players back to the players themselves.

Okapi aims to empower the crypto community by providing an accessible and trustworthy platform for sharing and discovering insights about decentralized entities. It prioritises reviews from users who had hands-on experiences, and deploy sophisticated algorithms to detect and prevent fake reviews.

EtherScore is a decentralized, on-chain reputation system for users and dApps on blockchains. It certifies the on-chain reputations of Ethereum users based on their previous actions (transaction history). User activity is represented by NFTs, which reflect the concept of collectible badges. Anyone can issue badges to identify and target specific users based on one or more minting conditions (e.g. "having done 10 swaps on Uniswap") without coding.

HashKey DID is a decentralized Web 3.0 identifier with storage features, underpinned by NFT and smart contract-based privacy-preserving technology.

RociFi is a decentralized credit economy with non-transferable, blockchain-native credit scores designed to facilitate zero- and under-collateralized lending. At its core, the protocol leverages on-chain data, machine learning, and loan risk management to effectively and profitably facilitate under-collateralized loans through the blockchain. This innovative approach seeks to bring in a new wave of capital efficiency and revenue growth in DeFi lending.

Kudo Money is an identity passport for Metaverse and Web3, where good citizens are rewarded for good on-chain behavior. The higher the on-chain reputation, the more access to borrowing, airdrop, and farming opportunities.

AID:Tech is building on-chain reputation and rewards systems for Web3, with a focus on real-world use cases. It enables people to build a reputation score that is linked to their on-chain reputation. Its Proof-of-Reputation protocol rewards people for their time and contributions in both the physical and digital worlds.

Replabs is building multi-dimensional reputation systems for DAOs using language models. This system can be forked by any DAO and used in their Discord to help determine who is reputable in what area within it.

Reputation DAO is dedicated to becoming the reputation layer for the open blockchain economy. Existing credit and reputation systems are held in black boxes, but Reputation DAO breaks them open by providing transparently governed systems and key trust indicators for oracles, actors, and contracts on open blockchains. It connects smart contracts with off-chain identity and financial data through the Chainlink network, unlocking infinite potential for smart contract applications. By allowing users to assess the reliability of smart contract data feeds, Reputation DAO enables secure and confident interactions within the DeFi economy.

Something introduces verified badges in Solana to give users their own identity and bring true credibility to the field.

UniRep is a zero-knowledge protocol that securely manages user data through anonymous identifiers, enabling trustless interactions and enhanced user privacy in applications. UniRep expands the notion of reputation to include various user data aspects, such as preferences, activity, alignments, and ownership.

Rep3 helps communities manage members and their contributions through on-chain credentials. By receiving badges, contributors build their on-chain reputation, which makes possible a world of cheaper loans (through reputation staking), fairer voting (through correlation scores), deeper connections (by activating communities at varied intersections), and much more.