B4BFlow

Screenshots

Problem Statement

B4B.app is a Web3 influencer marketing protocol that brings transparency, ownership, escrow, and on-chain history from all SocialsMarketplace to book and manage Ad process with high-quality influencersAll-in-one solution: search + analytics + escrow Ad processAggregated reputation layer from all social platforms (start with X, TG, Lens…)Open standards and protocol layer for reputation, statistics and track recordWeb3 advantagesEscrow payments via smart contracts in USDC simplify work worldwideConnect with influencers and gather reputation data from all social platforms - both “deSoc” and “Web2”Try it out: https://flow.b4b.app https://flow-influencer.b4b.app/?refcode=qPgMNiThe main outcome of the hackathon was successfully testing our ability to fully launch the technical part of the protocol on the Flow EVM, which proved to be quite straightforward. We also engaged in valuable discussions about our protocol's benefits for the Flow community and hope to be involved in future community activities.

Solution

There are two main sides of the B4B marketplace - influencers and advertisers.Advertiser's flow:Pay and lock advertising budget in USDC within B4B's smart contract on Flow EVM Smart-Contract.Get the hash of the finalized transaction with funds locking.Call Smart-contract with the transaction hash as an argument to create ad orderReview the posted content and call the Smart Contract to approve the result if the post meets your requirements, or reject it otherwise.Influencer's flow:Check the validity of the payment transaction and call the Smart Contract. If it's valid and order meets all requirements, then accept the order.Create and publish Ad content in his channel with all requirements, provide the link on the post on the backend and the hash on the Flow EVM Smart ContractIf an influencer publishes a post that meets the advertiser's requirements, the influencer will get the unlocked funds and claim on the wallet