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I’m finalising a short-term build on the Ethereum blockchain and have reached the stage where I need specialist help with two closely related pieces: • Raw transaction creation – crafting, signing and broadcasting the low-level transactions (RLP encoding, nonce and gas management, offline signing, etc.) that will deploy and interact with the contract. • A bespoke token smart contract – the core logic is outlined but still flexible; I want to be certain the code is solid, secure and optimised before it goes live. Here’s what I’m expecting from our collaboration: 1. Review or write the Solidity for this custom token contract, compile it and demonstrate successful deployment on a public testnet. 2. Produce example raw transactions for key actions (deployment, mint/transfer or any additional functions we agree on). Scripts can be in Hardhat, Foundry, [login to view URL] or even pure web3—whichever you’re fastest with. 3. Walk me through each step so I understand the approach and can replicate it after hand-off. 4. Supply concise documentation plus the tested code/scripts in a GitHub or zip package. I’d like to wrap everything up within a week once we kick off, so availability for quick feedback loops is important. If you’ve previously built custom contracts and dealt with raw transaction flows, especially using tools like Hardhat, Foundry, [login to view URL] or [login to view URL], that experience will be invaluable. The project is complete when the contract runs flawlessly on a testnet and all example raw transactions execute exactly as documented.
Project ID: 40601566
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27 freelancers are bidding on average $49 USD for this job

Hi, I can help with your "Custom Ethereum Transaction Assistance" project. I build clean, maintainable PHP backends — core PHP and Laravel/Symfony, MySQL schema design, and well-structured REST APIs. For work involving php, java, javascript, software architecture, blockchain, ethereum, solidity, smart contracts, I pay close attention to validation, security, and readable code, delivering in small, testable milestones. I provide clean commits and clear documentation. Could we discuss the specifics before I firm up the timeline? ⭐ 5.0/5 from a recent client: "Project was delivered before Time with Best professional Knowledge One could ever held. Thanks for the support" Final timeline and cost will be confirmed in chat after a complete understanding and documentation of the project expectations in detail.
$18 USD in 1 day
7.8
7.8

Hi, I can handle the Solidity contract review and raw transaction flows you need, since I’ve built custom ERC-20 tokens before and deployed them through Hardhat with full testnet validation. I’d approach this using Hardhat for both contract compilation and raw transaction scripting, because it keeps the environment consistent while avoiding the quirks of mixed toolchains. The biggest improvement will come from pre-deployment static analysis and thorough testnet rehearsals before anything goes live. I’ll keep changes isolated to a single branch, test each step in a private fork first, and document every command so you can reproduce it exactly. This isn’t just about shipping code—it’s about leaving you with a contract that’s secure, easy to maintain, and ready for production. If we’re aligned, I can start right now. Thanks, Denis.
$30 USD in 1 day
6.4
6.4

Hello! We can build and test the contract and raw transaction flow for your Ethereum project. 1. Do you already have the token logic outlined, or should we help finalize it? 2. Which actions should the raw transaction examples cover first? — About us We are dZENcode – a full-cycle IT company for digital product development: from design and programming to integrations and post-release support. We build projects from scratch and also work on existing solutions that need further development, improvements, or technical support. You can find detailed information about our services and rates on our official website: https://dzencode.com. Please review it – after that, we can discuss the details and agree on the next step. ⚠️ After clarifying all details, we will define the scope, the suitable cooperation format – task-based, outsourcing, or outstaffing – and the final cost. Projects are guaranteed to reach release with us: • 10+ years providing IT services; • 90+ in-house specialists; • 250+ public reviews since 2015; • We support products under SLA after launch; • We work under NDA and a company contract!
$20 USD in 7 days
6.7
6.7

Hello, I can handle the raw transaction side and the Solidity contract together so deployment and interaction stay consistent. I wrote a custom ERC-20 token and deployed it via raw transactions last month; the flow felt clunky at first until we tightened the nonce and gas estimation scripts. I’d approach this using Hardhat for both tasks because the toolchain keeps builds, tests, and deployments in one place while giving you clean TypeScript output. The biggest improvement will come from scripting every transaction so you can rerun them locally and verify before broadcast. I’ll keep every script isolated in its own file and push to a private repo you can clone immediately; you’ll always see the exact commit that matches the deployed bytecode. Your main goal is a contract that’s secure and easy to interact with without surprises. Happy to start today if the scope matches; just let me know. Thanks, Lazar.
$10 USD in 1 day
4.3
4.3

hello, your project requires a secure ethereum smart contract together with reliable raw transaction creation signing and deployment that can be reproduced confidently after handover. i can develop and review the solidity contract prepare tested deployment and interaction scripts document the complete workflow and ensure the solution is optimized before mainnet release. which token standard and custom features do you want to implement beyond the standard erc twenty functionality
$175 USD in 1 day
3.6
3.6

Hi — Abror-Yakubov here from Uzbekistan, "ETHEREUM RAW TRANSACTION BUILD" — you need reliable contract deployment and transaction flows. I’ll structure the Solidity contract, test deployment on a public network, and create scripts for signing, gas handling, nonce control, and broadcasting raw transactions. I’ll also document each step so the process can be repeated after handover. Which Ethereum testnet and token functions should the first deployment include? Looking forward to working with you.
$20 USD in 3 days
3.2
3.2

Hello, Noordine here from Florida I'm available to start immediately. I reviewed Custom Ethereum Transaction Assistance and have a clear understanding of what you're looking to achieve. With hands-on experience in PHP, JavaScript, I focus on delivering high-quality, reliable solutions that are clean, efficient, and built to last. My priority is clear communication, meeting deadlines, and ensuring the final result matches your expectations from start to finish. I'd be happy to discuss the project in more detail and answer any questions you may have. Best regards, Noordine
$50 USD in 1 day
2.2
2.2

Hi, let's finalize your Solidity contract and raw transaction flow with a clean, testable setup. Delivering a secure token contract together with properly crafted raw transactions for deployment and contract interactions that you can confidently reproduce is the goal. I've worked on projects where custom Solidity contracts, offline signing, nonce management, gas handling, and testnet deployments needed to work together reliably before production, because blockchain always finds the one thing you forgot. I'd be glad to help wrap this up within your timeline and am confident I can deliver well-tested code, clear documentation, and a smooth hand-off. Looking forward to working with you!
$20 USD in 7 days
0.0
0.0

You've highlighted the need for both raw transaction creation and a bespoke token smart contract, which are critical for a successful Ethereum deployment. I help clients achieve seamless integration of their blockchain projects with clean, professional coding practices. My experience includes reviewing and writing Solidity contracts, as well as crafting and broadcasting low-level transactions effectively. We have 75+ 5-star reviews on similar projects and rank in the top 1% among 75 million users! Are you looking to use Hardhat for the transaction scripts? Regards, HamzaScale.
$15 USD in 7 days
0.0
0.0

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