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Cover image for Securing the Next Era of
Securing the Next Era of Solana: Introducing GuardRail Protocol 🛡️⚡ The emergence of the SPL Token-2022 standard represents a major evolutionary leap for Solana DeFi. However, programmable extensions have introduced a dangerous wave of stealth attack vectors: • Predatory 99% transfer taxes siphoned directly to fee collectors. • Malicious Transfer Hook CPIs selectively reverting sells while permitting buys. • Permanent Delegate keys enabling retroactive confiscation of user tokens. Standard wallets like Phantom and major DEX interfaces only simulate basic balance deltas, leaving traders blind to low-level on-chain invariants until funds are permanently lost. To solve this, I designed and built GuardRail Protocol — an immutable, zero-trust pre-execution firewall and byte-level forensic decompiler on Solana. Built for the Colosseum Crypto World's Fair & Superteam hackathons, the protocol introduces: Byte-Level TLV Storage Decompiler: Parses on-chain validator memory buffers directly into standard Type-Length-Value frames, exposing hidden fee schedules and hook bindings. Pre-Execution Firewall Interceptor Sandbox: Simulates headless atomic swap execution against live Solana RPC nodes, visually dropping honeypot transactions locally before wallet signature to ensure 100% loss prevention. Transfer Hook Bytecode Decompiler: Evaluates whether external hook bytecode is immutable or mutable (admin backdoors), dissecting dispatch interfaces and Extra Account Metas PDAs. Anchor On-Chain CPI Invariant Firewall: A smart contract deployed on Solana Devnet allowing DEX aggregators and trading bots to verify invariant rules atomically via CPI before funds are committed. Native Solana Actions & Blinks: Certified implementation of the official actions.json specification, enabling 1-click cryptographic audits directly inside Twitter/X feeds and Phantom wallets. Developer Suite & REST API: Sub-150ms latency endpoint (/api/scan) paired with a CLI scanner for smart contract CI/CD pipelines. Explore the project: • Live Application: https://guardrail-protocol.vercel.app (https://guardrail-protocol.vercel.app)• Product Demo Video: https://youtu.be/Hq3bPsNhInA (https://youtu.be/Hq3bPsNhInA)• Founder Pitch Video: https://youtube.com/shorts/eRLrd_b0lRg (https://youtube.com/shorts/eRLrd_b0lRg)• Open-Source GitHub: https://github.com/Ra9mirez11/guardrail-protocol (https://github.com/Ra9mirez11/guardrail-protocol)• Colosseum Project: https://colosseum.com/arena/projects/guardrail-protocol Huge thanks to Colosseum and Superteam CZ for driving innovation across the Solana ecosystem. #Solana #Web3 #CyberSecurity #BlockchainSecurity #Rust #Anchor #DeFi #SmartContracts #SolanaBlinks #Superteam
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Cover image for I’ve officially launched DreamQuadrant Labs. It’s
I’ve officially launched DreamQuadrant Labs. It’s the place where I bring together the services I offer across full-stack development, software, AI and digital products. I work on projects such as: • websites and web applications • e-commerce and marketplace solutions • mobile and desktop applications • custom software and internal systems • backend systems, APIs and databases • AI integrations and automation • game development • improving and extending existing products I also built an AI project assistant directly into the website. It can process an initial customer request and help outline what can be built, what the project may require and what direction the solution could take. If you’re looking for someone to build a new product or improve an existing one, you can take a look here: https://dreamquadrant.com And if you don’t need anything right now, I’d still appreciate a share or recommendation to someone who might. Open to freelance and remote projects.
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Cover image for Contra x Lovable Challenge Submission:
Contra x Lovable Challenge Submission: Monolith Tattoo Atelier 1. Business Archetype & Profile Business Name: Monolith Tattoo Atelier Location: Berlin (Kreuzberg), Germany Solo Operator: Alex Vance (Specializing in fine-line, blackwork, and sacred geometry) Public Application Link: https://monolith-tattoo-atelier.lovable.app 2. Client Brief & Operational Quirks Alex is a solo tattoo artist operating at peak capacity, spending 6 to 8 hours daily wearing sterile gloves with a running machine. While working, he is physically and hygienically incapable of answering calls or responding to messages. Prior to this solution, his business suffered from three critical bottlenecks: Instagram DM Chaos: Receiving 40+ inbound inquiries daily with vague parameters ("How much for something medium on my arm?"), creating 15+ hours of unpaid administrative back-and-forth weekly. Unscoped Appointments: Clients cannot accurately specify dimensions in centimeters, assess placement difficulty, or identify skin contraindications (fresh scars, active eczema, moles). Chronic No-Shows: A 28% no-show rate caused by booking calendar slots without upfront financial commitment or medical pre-screening. 3. One-Line Description of the Problem Solved Turned vague, open-ended Instagram DMs into deposit-secured, anatomically-scoped tattoo bookings with zero manual back-and-forth from the artist. 4. Technical Architecture & Key Innovations Built in Lovable The application solves both the "Front Door" (client intake) and the "Follow-Through" (studio management) in a synchronized dual-view architecture: Interactive Anatomical Body Selector: Replaces vague text descriptions with a vector silhouette featuring front/back toggles, realistic contouring, and a dynamic Heatmap Pain Index that automatically flags high-sensitivity zones (ribs, neck, spine) requiring session buffers. In-Browser Stencil Composer: Solves the primary hesitation in custom tattoos. Clients can position, scale, rotate, and preview artwork directly over their own skin using authentic 'multiply' blend modes before stepping into the studio. Dynamic Session & Pricing Engine: Calculates exact session tiers (Quick, Half-Day, Full-Day) based on size (cm), anatomical placement difficulty, and artistic style, automatically locking compatible calendar blocks and deposit amounts. Guaranteed Escrow & Medical Gate: Enforces a 4-point safety declaration and a non-refundable Stripe deposit checkout, reducing no-shows from 28% to 0%. Artist iPad Back-Office & Day Sheet: A dedicated studio control dashboard displaying live synchronized appointments, escrow totals, and an iPad Day Sheet with high-res stencil specifications, medical clearances, and outstanding balances due upon arrival. Automated DM Deflection: An integrated router configuration that deflects inbound social inquiries straight into the scoped booking funnel. 5. Attached Deliverables Product Demo Video (< 3 minutes): [https://youtu.be/OmYEf88Qe_U ] Comprehensive end-to-end walkthrough demonstrating both the customer booking journey and the live artist back-office synchronization. Process Walkthrough Video (Bonus): [https://youtu.be/eiHLxgql1b4 ] Fast-paced engineering walkthrough showcasing the Spec-First development methodology, phased prompt injection, and code hardening in Lovable. Architectural Specification (Markdown): [https://github.com/Ra9mirez11/Monolith-Tattoo-Atelier/blob/01cae1362b10ef001ee2606415491dcc673707a3/Lovable%20plan%20atelier%20tattoo.md ] Initial domain blueprint, data schemas, mathematical formulas, and operational states drafted prior to code generation. Phased Prompt Engineering Log (Markdown): [https://github.com/Ra9mirez11/Monolith-Tattoo-Atelier/blob/main/Prompt%20for%20lovable%20.md ] Chronological record of all 12 systematic prompts utilized to construct and optimize the production build.
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Cover image for RECLAIM - Gamified Eco-Volunteering Working
RECLAIM - Gamified Eco-Volunteering Working Prototype The Problem Traditional eco-volunteering often lacks engagement, making it difficult to motivate individuals, especially the younger generation, to participate consistently. The process of reporting and verifying cleaned areas is manual, inefficient, and untrusted. The Solution: RECLAIM RECLAIM transforms eco-volunteering into a real-life RPG, making healing the planet fun, competitive, and highly rewarding. Users create an account, secure it via Supabase email authentication, and select their unique 3D Eco-Spirit avatar. The core innovation is our automated verification loop: Users find cleanup missions on a real-time map. They complete the mission and take an "after" photo. We integrated Gemini AI to perform a strict direct comparison between the "before" task image and the new "after" photo. There are no bypasses—Gemini AI decides if the location is pristine. Upon AI verification, the Supabase backend awards XP and unlocks premium 3D badges. The Advanced Figma AI Workflow This project serves as a showcase for the advanced capabilities of Figma's new AI toolkit: • Figma Agent was used to generate and iterate upon the entire multi-screen design flow, strictly adhering to our premium 'Eco-Glassmorphism' style. • Figma Weave generated all procedural 3D visual assets, including Eco-Spirit companions and collectible badges. • Figma MCP was utilized to integrate live, data-driven satellite maps directly into the dashboards. • Figma Make exported the completed design into a functional Next.js/React application, making it a working prototype. Live Links Working App: https://path-os-41270623.figma.site Figma Community File: https://www.figma.com/community/file/1648087862770865252 (https://www.figma.com/community/file/1648087862770865252)Pitch Video: https://youtu.be/skytzF6qljY Technology Stack • Frontend: Next.js (exported via Figma Make), React, Tailwind CSS • Design: Figma (Agent, Weave, MCP) • Backend: Supabase (Auth & Database) • Verification: Gemini AI (Visual Comparison)
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