Custom Crypto Payment Gateway

@technosystem

Having worked on numerous secure crypto projects where data privacy and self-reliance are paramount, I'm confident that my skills and experience meet your project's requirements perfectly. As a blockchain specialist, I’ve mastered handling private keys securely within a self-hosted environment and implementing robust on-chain operations—challenging the need for any third-party processor or API. While PHP remains your core stack, I appreciate your openness to other micro-services or programming languages for the best result. This flexibility aligns with my capabilities in Linux (Ubuntu 22.04), MySQL (MariaDB), Node.js, and Python as well. By combining these proficiencies, I can offer you a versatile range of options and, more importantly, tailor them specifically to handle USDT TRC20, USDT ERC20, and Bitcoin currencies seamlessly. Moreover, I understand that security is paramount in the cryptoverse. Building on the experience of developing key encryption protocols, handling hot vs. cold wallets effectively, and tactfully mitigating common attack vectors among others, I am assuring you of a robustly secure system resilient to external threats. Combined with my strong adherence to deliverables as outlined,summarize delivers a reliable solution that will operate smoothly on your VPS while maintaining high performance.

@planDapps

FULLY SELF HOSTED, SECURE CRYPTO PAYMENT GATEWAY ON PHP We can build a robust PHP based solution to handle BTC, USDT ERC20, and TRC20 on chain transactions entirely on your server. With 12+ years of experience in PHP, Node.js, Python, MySQL, and Linux, we’ll deliver: secure wallet creation, payment detection, transaction confirmations, and real time callback triggers. Private keys stay server side, and all RPC calls are handled safely. Direct answers to your requirements: • PHP core with optional microservice components for optimized blockchain interaction • MySQL/MariaDB schema for addresses, invoices, and confirmations included • Sample checkout page and webhook script for real time order updates • Full installation guide for Ubuntu 22.04, cron jobs, SSL config, and security checklist We ensure reliable, secure, and maintainable code that passes exact confirmation tests. Do you want us to include automated monitoring of transaction failures as part of the gateway? Regards, Haider

@kishanbwts

I can build a self-hosted PHP crypto payment gateway that manages wallet creation, transaction detection, signing, and callbacks without third-party dependencies. I’ve worked on blockchain integrations handling native on-chain BTC and ERC20 tokens, so I’m familiar with direct node RPC calls and local key management. The system will store keys securely on your server, sign transactions locally, and use a MySQL schema to track addresses, invoices, and confirmations. I’ll provide clear PHP code for each blockchain’s node interaction plus installation instructions for Ubuntu 22.04, covering node setup, cron jobs, and SSL. To ensure reliability, I suggest we implement a lightweight microservice in Python/Node.js only if needed—for example, to handle websocket subscriptions for live Tx updates—but the core logic will remain PHP. Does your Bitcoin node support an RPC interface with ZMQ for real-time notifications, or should polling be used? I’ll also deliver a sample checkout page and webhook script firing callbacks once the confirmation counts are reached. Finally, a security checklist will cover key encryption, wallet separation, and common attack mitigations. What confirmation counts do you want per currency? I can start with your example values and adjust if needed.

@kaustubhbawa123

Hi, I am an IIT Grad, ex-BFSI and worked at fortune 500 companies. I will make it a reality for you. As a Security Expert, I can implement a fully self-hosted PHP solution utilizing libraries like libcurl for wallet creation, BitcoinJ for local transaction signing, and Binance WebSocket API for real-time payment detection and balance checks. Kindly click on the chat button so we can discuss and get started. Will share you my prior projects done and my resume too. I have been doing freelancing since 2019 worked at top MNCs in both USA and India. Lets connect

@nadeemkhan7

Hello Pragati S., I went through your project description and it seems like that I am a great fit for this job. I have an expert team with many years of experience in PHP, Python, Linux, MySQL, Node.js, Blockchain, API Development, Cryptocurrency. Lets connect in chat so that we discuss further. Thank You

@forsovateam

We will deliver a self-hosted PHP crypto payment gateway that performs native on-chain operations for USDT TRC20, USDT ERC20 and Bitcoin while keeping private keys and signing on your server. Our team will provide a clean, documented PHP codebase with MySQL/MariaDB schema, an Ubuntu 22. 04 installation guide, sample checkout and webhook scripts, and a concise security checklist covering key encryption and wallet handling. We will implement reliable on-chain monitoring, configurable confirmation thresholds, and callback firing after confirmed transactions.

@NazarKanteruk

Hi there! I’m excited to help you build a secure, fully self-hosted PHP crypto gateway with native on-chain support for USDT (TRC20 & ERC20) and Bitcoin. You’ll get end-to-end code for wallet creation, payment detection, secure key management, and real-time callbacks—everything running locally with detailed docs and a sample checkout. Reliability and security are my top priorities, and I’ll make sure setup is smooth on your Ubuntu VPS. Let’s create a hands-off, scalable solution that keeps you in full control and your crypto safe! Looking forward to collaborating on this.