About Our Badges

The Contracts

All 101 badges are non-transferrable ERC-721 NFTs. Our platform currently supports badge issuance on Polygon and Celo. Here are the contract addresses:

Polygon: 
0x813147e63c5B8FE2E8fb75df26f15186874b3901 

Celo:
0x36602cC7600469F7f2b32049Af8c0F4Eb6C3A890

The Metadata

All 101 badges share the same metadata standard, which is as follows:

export interface BadgeMetadata {
  // Course/Badge Name
  name: string;
  // Description of the course taken and knowledge conveyed
  description: string;
  // URI of image
  image: string;
  // Tags
  tags: string[];
  // URL to link to
  external_url?: string;
  // 101 ID
  external_id?: string;
  // All the fun properties
  properties: {
    // Name of the course taken
    course_name: {
      name: "Course Name";
      value: string;
    };
    // ID of the course taken
    course_id: {
      name: "Course ID";
      value: string;
    };
    // Name of the course creator
    creator_name: {
      name: "Creator Name";
      value: string;
    };
    // ID of the course creator
    creator_id: {
      name: "Creator ID";
      value: string;
    };
    // Difficulty level
    difficulty: {
      name: "Difficulty";
      value: number;
      display_value: "Easy" | "Moderate" | "Hard" | "Expert";
    };
    // Course version number
    version: {
      name: "Version";
      value: number;
    };
    // Course tags
    tags: {
      name: "Tags";
      value: string[];
    };
    // Course category
    category: {
      name: "Category";
      value: string;
    };
    // Course category
    course_url: {
      name: "Course URL";
      value: string;
    };
    // Visibility
    visibility: {
      name: "Visibility";
      value: "public" | "private" | "unlisted";
    };
    // Verified Humanity
    verified_human: {
      name: "Verified Humanity";
      value: boolean;
    };
    // Date Completed
    completed: {
      name: "Date Completed";
      value: Date;
      // Pretty printed date
      display_value: string;
    };
  };
}