İptal Edildi

******** Please read carefully ******** Blockchain dApp - Phase 2 of A Physical Activity Reward System (PARS)

Phase 2 of 2 –Blockchain dApp

***Because we will receive a lot of proposals, it is important that your first proposal or message to us shows:

1. You had previous experience working with blockchain dApp development and Smart Contract;

Your recommended Blockchain platform suitable for high transaction rate with large user base (20M+).

3. Your own understanding of the project before we answer your questions.



Physical Activity Reward System (PARS) is a system that encourages people’s exercise with rewards in cryptocurrency. A user with our compatible wearable device can claim an FLL-RC token reward with a proof of physical activity (PoPA). PoPA is provided by the exercise data from our own wearable devices or our compatible/certified devices like Fitbit Ionic .

This job offer is a part of the PARS system but independent of work of Phase 1, the fitness mobil application system. The job is essentially a blockchain dApp and Smart Contract development, later it will be integrated with Phase 1 to make a complete system.

System description:

An exercise reward application system with following components:

1) A reward App on mobile device with features:

a. Collects physical activity data in real-time, from the API provided by the fitness app for a wearable device (e.g. our own device, Fitbit app’s API, Apple Health and WearOS). The physical activity data includes at least, i) 24/7 continuous (per minute) heart rate along with location information, ii) user profile with family and friend information.

b. Accumulates physical activity data until a reward claim block is formed based on amount of physical activity.

2) A dApp function in the reward App with features:

a. Submits reward claims to the blockchain;

b. Receives FLL tokens awarded by the blockchain;

c. Manages an FLL token wallet.

3) A smart contract on the blockchain with functions:

a. Validates the claims from the dApp of mobile phones;

b. Records the rewards for the claim, including a base reward and a random reward;

c. Returns the rewards in FLL tokens to the dApp on mobile App.

4) A reward web application manages user accounts and database for token balances, claims and detailed physical activity data, maintains a platform for buy/sale of FLL tokens, manages vendor accounts publish vendor specific terms in smart contract and/or sale service/goods in FLL tokens.

5) The reward mobile app and web app are in-sync with proper UI to indicate a) the progress of physical activity towards a reward claim, b) the notification of a reward, c) management of token wallet and 4) purchase/sale via mobile or web.

6) There is a stand-alone part for our possible ICO/STO event, we uses a Dual-coin structure, the utility coin(FLL-RC) will be used in the Reward program (1-5 above) while the security coin(FLL-SC) will be used in an ICO or STO, a ICO/STO landing page and related components are required!

Requirements on the development platforms:

1) Mobile devices (iOS and Android):

a. Projects built on Xcode and Android Studio. Applications tested on iPhone 5 and up, Android 6.0 and up;

2) Web servers:

a. Browsers: Chrome, IE, Firefox;

b. AWS web application server.

3) Blockchain:

a. Runs on an emulated blockchain as AWS node.js project online and serverless mode;

b. Ready to be deployed to a public blockchain service, recommended by the developer.

Beceriler: Android, Ionic Framework, iPhone, Mobile App Development, PhoneGap

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İşveren Hakkında:
( 0 değerlendirme ) Buenos Aires, Argentina

Proje NO: #18792662

Bu iş için 9 freelancer ortalamada $1213 teklif veriyor


Hello, I have 6 years of experienced on mobile application ( Android +iphone/ ipad ) and App admimn with development web services where admin can manage the app from backend ,. I have developed the TAXI apps, googl Daha Fazla

$1250 USD in 20 gün içinde
(171 Değerlendirme)

Hello, Greetings from mobiloitte! I reviewed your requirement that you are looking for blockchain dApp for a physical activity reward system(PARS) If you are looking for a Blockchain expert, then your search en Daha Fazla

$1250 USD in 20 gün içinde
(9 Değerlendirme)

Hi there, I ’d like to be considered for your job position. I am Web Developer with a strong background developing with back end & front end. I can turn your requirement in a way that represents your brand and Daha Fazla

$1444 USD in 20 gün içinde
(13 Değerlendirme)

Hello How are you? I read your description carefully. I am blockchain expert, and i have a good experience dapp like tron. I would like to discuss in detail via chat. Thanks

$1250 USD in 20 gün içinde
(4 Değerlendirme)

This is Arjun from Mohali, India. I have been into Bitcoin/Blockchain Development for the past five years and I have developed some very excellent crypto exchanges. I am a Blockchain expert and provide complete sol Daha Fazla

$1500 USD in 20 gün içinde
(2 Değerlendirme)

Customer's satisfaction is my goal *** *** Also 100% Completion is happy of me and client. *** *** Rest is my creative idea and honest effort. *** Looking to be your Good Venture along with your project! Best Daha Fazla

$1250 USD in 20 gün içinde
(1 Yorum)

"Hi, Hope you are doing well! Thanks for sharing your project requirement with us. It will be our great pleasure to work on your project. I have checked your requirement, yes we can do it, because we already work on si Daha Fazla

$1111 USD in 7 gün içinde
(1 Yorum)

I am an expert in blockchain project which includes dapp also on various public and private chains, let me know I have just finished a blockchain based protocol development. thanks

$1111 USD in 20 gün içinde
(0 Değerlendirme)

Hello , I am a cryptocurrency and blockchain developer with 5+ years of experience in blockchain (both public and private), Ethereum, Dapps , Bitcoin, smart contracts, ICO, tokens. I have successfully comple Daha Fazla

$750 USD in 10 gün içinde
(1 Yorum)