Build blockchain to verify/certify documents

Closed Posted 5 years ago Paid on delivery
Closed Paid on delivery

Need to build a network with application layer for

- DAPP (FE)

- API Layer (NodeJS)

- Blockchain (Ethereum)

> Credentials (ERC721) - Certificate Owner; store data HASH

> Hierarchical (ERC721) to include historical certificate link

> Payment (ERC20)

> Users

- MongoDB

> Store the actual info and version of resume (full versioning)

AngularJS Blockchain Ethereum Node.js NoSQL Couch & Mongo

Project ID: #18696551

About the project

20 proposals Remote project Active 5 years ago

20 freelancers are bidding on average $1224 for this job

DevStar925

How are you? I read your description I am blockchain expert, especially I am very familiar with Ethereum. I will finish perfectly your project. I wanna discuss more via chat. Thanks

$500 USD in 10 days
(30 Reviews)
6.8
donnyforu

Hello, We are an IT company based in India and we work extensively on Blockchain development. We have outstanding capabilities and understanding in Ethereum based DAPP. Hyperledgers Smart contracts ICO's More

$5000 USD in 30 days
(15 Reviews)
5.1
haqtaha

Hi , I am going to be pretty straight forward here. I have extensive experience in blockchain development. More specifically in ethereum and hyperledger. I have actually worked on a project pretty similar to lik More

$700 USD in 10 days
(4 Reviews)
3.3
LinuxGun

Hello, If you can give me a Ubuntu 16.04 LTS 64 bit Linux I will do install blockchain to verify documents online in Digital way. I'm interested in your project. Please send me a message so that we can discuss mo More

$250 USD in 0 days
(2 Reviews)
3.0
SecureForYou

Hello. How are you? I have read the project description of 'Build blockchain to verify/certify documents' and I have confidence that I can carry the job to success. Cuz I am a professional full stack developer with ove More

$555 USD in 3 days
(0 Reviews)
4.1
ONYEMATeam

check my profile i'm expert BC and BTC/ETH network also i developed p2p exchnage and coin . I would like to inform you also that I am highly skilled with : • 10+ years of professional experience in C#/.NET softwa More

$3000 USD in 30 days
(0 Reviews)
0.0
naishodayo

Hi,dear. I've just checked all requirements of your project 'Build blockchain to verify/certify documents'. I'm a senior software developer and I'm able to fulfill your project requirements ,you may be interested in me More

$555 USD in 3 days
(0 Reviews)
0.0
sourav3101

I am doing research in authentication where I have designed a scheme which is comparable better from the existing schemes. I also worked in Blockchain application(Intermediate stage)

$555 USD in 10 days
(0 Reviews)
0.0
SyedFahad11

Hello, I’ve carefully gone through your job posting.I did a project very mush like this before. I am an expert Ethereum Blockchain developer with more than 1 years experience. so, I am very much interested in taking More

$320 USD in 12 days
(0 Reviews)
0.0
Keyonix

Hii, we have employees with 5 years of experience in blockchain development and we can do this project for you effectively, however, we want to ask you that you particularly need it on Ethereum or is it ok with you if More

$555 USD in 15 days
(0 Reviews)
0.0
HalosysIndia

Hello, I understand your requirement for developing a decentralized application to verify/certify documents and save them with actual info and version of the resume. It would compromise of: A DApp An API synchi More

$555 USD in 10 days
(1 Review)
0.0
Passionme9

Hi, I'm a die-heart blockchain developer. I'm enthusiastic to be part of your application development. Im not great but I understand the concepts of blockchain and have done 1 project on the same for project managemen More

$800 USD in 10 days
(0 Reviews)
0.0
PharosProdInc

Hello. My name is Dmytro Nasyrov. I'm a Founder and CTO at Pharos Production Inc. Our rate is $20/hr, we can provide you with any amount of the required resource - from 1 month of a single developer, 40 hrs/week. W More

$4444 USD in 30 days
(0 Reviews)
0.0