Need a Dapp based on ethereum

进行中 已发布的 5 年前 货到付款
进行中 货到付款

My project is about building an online review system using ethereum blockchain ( so that reviews are immutable). Also, reviews need to be filtered to detect the spam or fraud reviews & has to be stored in the blockchain.

User who provide the reviews must be autheticated.

Blockchain Ethereum JavaScript JSON

项目ID: #17571002

关于项目

18个方案 远程项目 活跃的5 年前

有18名威客正在参与此工作的竞标,均价$2935/小时

BigCityInstitute

From Blockchain Expert! Dear client! I have a rich experience in this field! Seems to be an interesting work and good opportunity to show my skills to work with you in future as well. Hope to have a long-term wo 更多

$1000 USD 在7天内
(23条评论)
6.9
Rplanx

Hi, I was going through your project specs and I have some questions to ask you. Are you available to have a quick chat now? We are currently on a project which has an implementation of BlockChain Technology 更多

$33333 USD 在75天内
(1条评论)
1.1
LeeCoderR

Hello , I am a blockchain developer and an architect rich experience with blockchain (both public and private), Ethereum, Bitcoin, smart contracts, ICO, tokens. I have successfully completed many projects for 更多

$250 USD 在5天内
(0条评论)
0.0
techvision9

Dear Prospect Hiring Manager. Thank you for giving me a chance to bid on your project. i am a serious bidder here and i have already worked on a similar project before and can deliver as u have mentioned I am a Fu 更多

$555 USD 在10天内
(1条评论)
0.0
akaruilabs

Hello, will bring your Etherium based dapp. I have built half a dozen dapps. The smart contract will have the book review logic that you want. Will also build any marketing pages if you want (included in this price). P 更多

$250 USD 在4天内
(0条评论)
0.0