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Development of an NFT marketplace

The LeverX — Emerline team created an attractive, user-friendly marketplace for selling NFT packages.

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The LeverX team created an attractive, user-friendly marketplace for selling NFT packages.


Sports NFT seller operating in the USA


Our client wanted to develop a user-friendly platform where NFT enthusiasts could resell their tokens.


LeverX — Emerline created an NFT marketplace solution with an appealing UI and UX. Its primary feature is the opportunity to resell NFT tokens on a secondary market.


In August 2021, an NFT seller turned to the LeverX — Emerline team. The customer wanted to build a marketplace where users can purchase NFT art and then, re-sell NFT tokens on a secondary marketplace within the created platform. Our development team needed to address the following challenges:

  • The necessity to demonstrate the reliability of the website and sellers with the help of UI/UX and the need to optimize user experience with top-notch customer service.
  • Compliance with federal and state laws governing cryptocurrency businesses.
  • The development of a secondary marketplace platform where users could resell NFT tokens.

Our Contribution 

  • Our team decided on the Python technology for the backend and the React framework for the front end to develop a required solution.
  • Arweave was used for NFT storage.
  • The system was integrated with multiple payment systems: Circle for in-app payments and adding funds to the users' wallets; ACH and Wiret for withdrawal of funds.
  • In order to comply with the standards established for NFT marketplace platforms, The system was connected with ONfido, which enables users to successfully complete KYC verification.
  • The AWS Services were used for building the solution.

Underlying AWS Infrastructure

AWS was chosen as the best balanced and scalable Cloud Service Provider. The services listed below were used: 

  • AWS CloudFront with S3
  • AWS ECS Fargate with Elasticache and AWS MQ
  • AWS RDS PostgreSQL 

Key Features

  • UI/UX with animated drops unpacking
  • Clubhouse-like registration system
  • Know Your Customer (KYC) verification process
  • A user-friendly admin panel and user account 
  • A secondary marketplace for users
  • Prevention of simultaneous buys
  • In-app payment and money withdrawal systems 
  • Legal compliance with government and state regulations
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LeverX — Emerline met all the client’s requirements and built a marketplace platform with an engaging UI and UX. Both admins and users of the marketplace benefit from a user-friendly interface that, in addition to a well-thought-out design, includes animated drop unpacking for a more comprehensive and transparent purchasing experience. The platform complies with all the regulations in the regions of our customer’s operation.

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