blockchain - save hash with low fees

i want to save a hash to the blockchain with the transactions fees to be as low as possible, please only bid if you've already done a similar project

- basically i need a page from where i can enter the hash with a "send" button to submit the transaction (the important here is to have almost no fee per transaction)

Habilidades: Bitcoin, Cadena de bloques, Ethereum, PHP

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Información del empleador:
( 106 comentarios ) Logonna-daoulas, France

Nº del proyecto: #16103830

7 freelancers están ofertando el promedio de $1261 para este trabajo


Hello there, thank you for this opportunity to work with you. I am a multi-blockchain developer with Nxt/Ardor, Bitcoin Core (bitcoind, bitcoin-cli), Ethereum, and Stellar. I am also a full-stack Java architect/develop Más

$600 USD en 30 días
(4 comentarios)

Greetings, We are colonist services providers from India for Cryptocurrency development, Crypto exchanges,Crypto wallets, Mining platform apps, Exchange platforms and other types of Blockchain based development.  B Más

$811 USD en 20 días
(1 comentario)

Hey ! I'm RICH P. I've reviewed your complete job description, and I fulfill all the qualifications required for this project. I have done many projects and I always try to provide good quality work Más

$250 USD en 5 días
(0 comentarios)
$555 USD en 10 días
(25 comentarios)

Hello I am sure I am good for your job skills. Please check my profile and you will get confidence about my skills. Thanks and regards

$500 USD en 5 días
(7 comentarios)

Hi, It's a beautiful day to start.I was going through your project description and want to clarify a confusion. you said "basically I need a page from where I can enter the hash with a "send" button to submit the Más

$5555 USD en 50 días
(52 comentarios)

I am a blockchain developer with expertise over Ethereum platform. I can write the smart contract where saving the hash on blockchain will cost you very minimal fees. Though it is not possible to write a smart contract Más

$555 USD en 10 días
(6 comentarios)