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Arthur Agullana

@archimed3sxp

a Civil Engineer turned blockchain educator and community builder learning Web3 development

a Civil Engineer turned blockchain educator and community builder learning Web3 development

Skill iconSolidity

Davao City, Philippines

Devfolio stats

Devfolio stats

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Top Projects

Top Projects

Project Image
SecurePOS

Tamper-Proof Auditing for Retail Systems

What Can People Use SecurePOS For? SecurePOS is a blockchain-based audit system designed to protect, verify, and simplify retail transaction auditing. It brings trust, automation, and accountability to Point-of-Sale systems in retail, franchise, and regulated industries. Key Use Cases Tamper-Proof Sales Logging SecurePOS converts every sale into a SHA-256 hash and writes it to the blockchain. This means: No one can alter transaction records after they’re made. Data is immutable, verifiable, and cryptographically secure. Makes auditing safer, transparent, and fraud-resistant. On-Chain Audit Trails Auditors can verify that sales happened, when they happened, and that they haven’t been modified. - No need to rely solely on internal logs or manual Excel audits. Role-Based Accountability SecurePOS supports three roles: Cashier – records sales Auditor – verifies sale hashes Manager – full access for oversight and audit control Eliminates internal manipulation by decentralizing accountability. Lower Audit Costs Traditional audits require: Manual checking 3rd-party services High overhead SecurePOS automates and reduces these costs by replacing manual checks with cryptographic proof. Ideal for franchises, groceries, and SMEs looking to cut audit expenses. Designed to work with: Local cash-based POS systems Franchises in developing markets Digital transformation efforts Bridge from Web2 POS to Web3 audit with minimal disruption. Why It Matters SecurePOS protects business owners from internal fraud, speeds up reconciliation, and restores trust in retail reporting — especially in high-volume, high-risk environments like groceries and franchises. **If one sale is off, your whole financial report is at risk. SecurePOS makes every sale count — and verifiable.**

SecurePOS - Picture 1
SecurePOS - Picture 2

Medium Posts

Medium Posts