PHP Simple Blockchain ledger

I need a simple blockchain for archiving purposes and have too much work to do this myself. Here is what I need.

Storage: a chained block (linked) of records (each block should be a static quantity of fixed size records) secure-able by verifying via a hashcode. Creation Timestamp. Multiple Flat files for storage that allows infinite size for archiving purposes. This will NOT use a Database such as MySQL. It will use binary files of fixed lengths linked together.

Fields: Need to be good with converting numbers to binary and back for storage. Text values will need to exact size in UTF8 (padded/truncated) to allow for fixed record sizes. PHP code should utilize fixed integer enums instead of text values whenever possible.

Access: Read, Edit, and Add (No delete as this is an archiver)

Search: Load select records by key (id/address) and date (utilize the timestamp).

It should be able to operate "optionally" as a ledger with a "balance" field automatically generated based upon fields in each record "credit" and "debit".

Taidot: PHP, tietojärjestelmäarkkitehtuuri, Algoritmi, Blockchain

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Tietoa työnantajasta:
( 5 arvostelua ) Olympia, United States

Projektin tunnus: #26956813

13 freelanceria on tarjonnut keskimäärin 1214$ tähän työhön

(311 arvostelua)

Hi, I have read your post and understood your requirement. Looking for the freelancer to work on your next project? Or just need some issues/bugs/fixes ASAP? I have 11+ years of software experience in fortune 500 com Lisää

$750 USD 10 päivässä
(109 arvostelua)

Hi there, ★★★★★ PHP / Blockchain Expert ★★★★★ I've read requirements and ready to build Blockchain ledger . 17+ years experience and expertise in : CMS (Wordpress, Magento, Shopify, OpenCart, Joomla, Drupal, Prestasho Lisää

$750 USD 7 päivässä
(175 arvostelua)
(73 arvostelua)
(35 arvostelua)

Hi, I want to offer you the services of our team or hire one or more developer to create a fully-featured world-level decentralized cryptocurrency exchange. For Example: BitShares Decentralized Cryptocurrency Exchang Lisää

$500 USD 7 päivässä
(31 arvostelua)

Hi How are you? I checked your description "PHP Simple Blockchain ledger". I'm a senior PHP developer with 9 years of experience. I will deliver you great result asap. If you check my portfolio, you will know my skil Lisää

$450 USD 3 päivässä
(17 arvostelua)

Hello dear, Blockchain development is one of my top skills. Please check my profile. If you want, I can start right away for your project with my high skill. I 'd like discuss w Lisää

$500 USD 7 päivässä
(9 arvostelua)
(5 arvostelua)
(4 arvostelua)

I just checked your project details for blockchain web development. I have a good experience with ethereum and hyper ledger before. I have a good experience with php interface and workflow design with html+css+jquery. Lisää

$500 USD 7 päivässä
(9 arvostelua)

Hi, Happy to create your Blockchain for archiving purpose. I look forward to getitng further inputs to provide an accurate estimate. I've 23 years of custom Technology Solutions Development background and deep Blockch Lisää

$475 USD 7 päivässä
(2 arvostelua)

We are Tedx infotech a promising IT software development company. We are expert in .NET, PHP, JAVA, Android & iOS, blockchain with 3+ years in Mobile Application Development field, and also, almost 5+ years in Website Lisää

$500 USD 7 päivässä
(0 arvostelua)