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Solidity ERC20 token for crowdfunding

I require a smart contract to be developed for the purpose of crowdfunding.

It must include:

- Recent Solidity with no/little deprecated code.

- Ability for us to lock tokens until the buyer has been approved (or an alternative verification process before tokens released to buyers)

- For every 1 verified token purchased 5 or 6 additional tokens will need to be created, each sent to separate wallets for different purposes, some of these pools will need to be locked from using the tokens for a specified time frame (eg founders locked for 6 months/1yr)

- Ability to distribute eth to token holders based on their holdings (likely utilising the etherscan API). I will pay extra if you include a script to dispatch eth to holders, I will also pay extra if you are able to implement a way to minimise gas costs for these transactions.

If you are short on time then for a lower fee I will accept similar code you have written for a similar project and repurpose it myself, I am somewhat proficient with solidity, I just lack time.

This project is for testing purposes to verify that blockchain based crowdfunding would work for our business.

I will have further work in the future so there is potential to build a close working relationship, alternatively if you would just like to accomplish this task only then that is fine.

The code will be professionally audited for security exploits etc before any deployment to mainnet.

Квалификация: Blockchain, Ethereum, Программирование, Архитектура ПО

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О работодателе:
( 2 отзыв(-а, -ов) ) United Kingdom

ID проекта: #17733961

Поручен:

bogahapitiya

Hello, Client~ I am an smart contract developer, you can find some good feedback from some clients on my profile. Please contact me if you think i can work well. I look forward to hearing from you. Regards. Kapila

$222 USD за 3 дней(-я)
(7 отзывов(-а))
4.5

6 фрилансеров(-а) в среднем готовы выполнить эту работу за $591

szebanred10030

Hi! How are you doing? I'm pretty happy to bid on this interesting project. I've been working on Ethereum for 3 years and have a solid understanding of it. Web3, Solidity, Truffle are my favorite toys. :) I've b Больше

$1666 USD за 3 дней(-я)
(25 отзывов(-а))
6.3
debjithui

We have 4 years experience in WORDPRESS,PHP,codeigniter,ANDROID,IOS etc. We generally deliver the projects in perfect time. You can definitely rely on us because customer satisfaction is our main moto. In our previou Больше

$155 USD за 3 дней(-я)
(2 отзывов(-а))
3.6
codeman01

Did similar work before, need discussion

$250 USD за 10 дней(-я)
(3 отзывов(-а))
3.4
cryptocurrency2

Hello, I am a Certified IT Programmer and developer with 5+ years of expertise in bitcoins, blockchain development, ICO launches and cryptocurrency development. I have checked your project description and I would Больше

$150 USD за 5 дней(-я)
(1 отзыв)
2.0
$1100 USD за 14 дней(-я)
(0 отзывов(-а))
0.0