kvakes

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

interface IERC20 {
    function totalSupply() external view returns (uint256);
    function balanceOf(address account) external view returns (uint256);
    function transfer(address recipient, uint256 amount) external returns (bool);
    function allowance(address owner, address spender) external view returns (uint256);
    function approve(address spender, uint256 amount) external returns (bool);

kvakes

import random

def chase_rabbit():
    # Setup
    holes = 100
    rabbit_in = random.randrange(0, holes)
    checks = 0

    # Jump
    def jump(fromHole):

kvakes

import numpy as np
import matplotlib.pyplot as plt

def getLogValues(logParam):
    y = [0.5]
    for i in range(1, 20):
        v = logParam*y[i-1]*(1-y[i-1])
        if v < 0:
            break
        y.append(v)

kvakes

ORGiD Ecosystem

• Winding Tree DAO (repo) controls ORGiD Registry smart contract and some Directories
• ORGiD Website (repo)
• ORGiD Registry (repo) is the main smart contract, a database of organizations and their business units
• ORG.JSON Schema (repo) is a data format for describing organizations
• ORGiD Resolver (repo) is an utility for fetching organization data in W3C DID format
• Arbor (fe be) is the application behind **[Winding Tree Marketplace](https://marketpla

kvakes

{
  "@context": "https://windingtree.com/ns/did/v1",
  "id": "did:orgid:0x02dfc438f307d823d23808a93dfcc469c6925e3bc0bbc22ddcf22073d7bcbbca",
  "created": "2020-04-28T11:15:14.131Z",
  "legalEntity": {
    "contacts": [
      {
        "phone": "123456789",
        "website": "microsoft.com",
        "email": "bill@microsoft.com",

kvakes

{
  "@context": "https://windingtree.com/ns/did/v1",
  "id": "did:orgid:0x99894FAb38E35b726ceb8345e74dDe6716E6bd51",
  "created": "2019-01-01T13:10:02.251Z",
  "updated": "2019-06-03T13:20:06.398Z",
  "publicKey": [{
      "id": "did:orgid:0x99894FAb38E35b726ceb8345e74dDe6716E6bd51#firstkey",
      "type": "X25519",
      "controller": "did:orgid:0x99894FAb38E35b726ceb8345e74dDe6716E6bd51",
      "publicKeyPem": "MCowBQYDK2VuAyEAosPy/TSQ2PCqszOh/maErE6yztM8jwJ5JtypoatDaUM=",

kvakes

{
    "@context": "https://windingtree.com/ns/did/v1",
    "id": "did:orgid:0x0000000000000000000000000000000000arbor",
    "created": "2019-01-01T13:10:02.251Z",
    "updated": "2019-06-03T13:20:06.398Z",
    "publicKey": [],
    "service": [
        {
            "id": "did:orgid:0x0000000000000000000000000000000000arbor#org-id-rest",
            "type": "org-id-rest-0.7.1a",

kvakes

{
  "@context": "https://windingtree.com/ns/did/v1",
  "id": "did:orgid:0xB4Caa470E33A4cE899C16e6C7E125eA03956e95D",
  "created": "2019-01-01T13:10:02.251Z",
  "updated": "2019-06-03T13:20:06.398Z",
  "publicKey": [{
      "id": "did:orgid:0xB4Caa470E33A4cE899C16e6C7E125eA03956e95D#keys-1",
      "type": "RsaVerificationKey2018",
      "controller": "did:orgid:0xB4Caa470E33A4cE899C16e6C7E125eA03956e95D",
      "publicKeyPem": "-----BEGIN PUBLIC KEY...END PUBLIC KEY-----\r\n",

kvakes

ORG.ID Authentication API Endpoint Example

Install

• Make sure you've set up your Go environment correctly, e.g. $ echo $GOPATH should work
• Install
  • go-ethereum: $ go get -u github.com/ethereum/go-ethereum
  • mux: $ go get -u github.com/gorilla/mux
  • shortuuid: $ go get -u github.com/lithammer/shortuuid

kvakes

{
  "dataFormatVersion": "0.0.1",
  "legalEntity": {
    "name": "Speedy, Inc.",
    "location": {
      "gps": {
        "latitude": 62.30563936,
        "longitude": -10.62101225
      },
      "address": "",