Building The Decentralized Future
Specializing in DeFi Protocols, Secure Smart Contracts & Tokenomics.
Trusted in the ecosystem
Trusted by experts. Used by the leaders.
Binance
1inch
Crypto.com
OKX
Bitget
MetaMask
Trust Wallet
WalletConnect
Phantom
Binance
1inch
Crypto.com
OKX
Bitget
MetaMask
Trust Wallet
WalletConnect
Phantom
Binance
1inch
Crypto.com
OKX
Bitget
MetaMask
Trust Wallet
WalletConnect
Phantom
Get To Know Me
About Me
Scroll to explore ↓
Who I Am
The Blockchain Dev
Hashim Hassan · Founder of Usalama Escrow
📍 Dar es Salaam, Tanzania · Available worldwide (remote)
Passionate blockchain developer based in Tanzania, available for remote work worldwide. With 5+ years of experience building secure, scalable decentralized applications, I specialize in DeFi protocols, smart contract security, and tokenomics design — with deep understanding of EVM architecture and cross-chain interoperability.
Languages & Tools
SolidityJavaScript / Node.jsWeb3.js / Ethers.jsHardhat / TruffleReact / Next.jsRust
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Building for a decentralized world
My Expertise
What I Bring
⚡
⚡
5+ Years Experience
Building production-grade DeFi protocols and decentralized applications since 2019. Deep expertise across the full Web3 stack.
🔐
🔐
50+ Smart Contracts
Audited and deployed over 50 smart contracts across Ethereum, Polygon, and BSC with zero exploits in production.
💰
💰
Millions in TVL
Successfully launched multiple production-grade protocols handling millions in Total Value Locked across DeFi ecosystems.
🌐
🌐
Web3 Advocate
Strong advocate for Web3 adoption and decentralized governance. Contributing to open-source blockchain projects.
Portfolio
My Work
16 projects · DeFi · Meme Ecosystem · Smart Contract · DEX · NFT · WALLET
View Project →
MonetraFinance
High-yield farming with auto-compounding
- ✓USDT Staking (BNB Chain)
- ✓3% Daily ROI
- ✓5-Level Referral System (24%)
- +4 more
SolidityHardhatReactEthers.jsWeb3
View Project →
Lion Asset Wealth
Decentralized Earning System
- ✓Daily ROI System (2%–5%)
- ✓6-Level Referral System (Up to 24%)
- ✓Monthly Salary Program
- +5 more
SolidityWeb3.jsNext.jsJavaScriptArbitrum
View Project →
BUSD CASH
BUSD staking in BNB Chain
- ✓3% Daily ROI
- ✓Smart Contract on BSC
- ✓Auto Rewards + Daily Payouts
- +3 more
SolidityTypeScriptReactWeb3SDK
View Project →
SHEEP MEME
Solana meme-token website
- ✓Solana blockchain support
- ✓Wallet connect (Phantom, Solflare)
- ✓Built-in token swap (Jupiter)
- +4 more
SolidityNext.jsFramer MotionWeb3.jsWeb3
View Project →
$APECOIN
$APECOIN MEME PROJECT
- ✓Wallet connect
- ✓Built-in token swap (USDT ⇄ APE)
- ✓Buy token directly on the website
- +4 more
SolidityWeb3CSSReact
View Project →
MEME NINJA
Modern meme-coin website with presale
- ✓Wallet connect (MetaMask, Trust Wallet, Coinbase)
- ✓Direct buy & presale flow (ETH / USDT / USDC)
- ✓Uniswap / DEX swap support
- +3 more
SolidityReactWeb3Ethers.jsCSS
View Project →
Wallet Poisoning Attack research
I find the vulnerabilities. You stay protected.
- ✓GPU () Address Generator
- ✓Telegram Bot — fully automated attack pipeline
- ✓Auto private key calculation
- +7 more
cryptographynode.jsNode-telegram-bot-apiBigInt arithmeticsweb3
View Project →
SOLANA SWAP DEX
SOL SWAP — Fastest Swap on Solana.
- ✓Instant token swaps (SOL, USDC & more)
- ✓Powered by Jupiter aggregator (best rates across 20+ DEXs)
- ✓Wallet connection (Phantom, Solflare, Backpack)
- +6 more
Solana web3ReactWeb3Jupter APINode
View Project →
FrogCoin
Meme Website Project.
- ✓Professional Website
- ✓Tokenomics Structure
- ✓Wallet connection (Phantom, Solflare, Backpack)
- +3 more
Ethers.jsReactWeb3CSSJavascript
View Project →
Meme Launchpad
Launch Your Meme Coin in 60 Seconds (No Coding Needed).
- ✓60-second token creation
- ✓Wallet connect (Phantom, Solflare, Backpack)
- ✓Custom token (name, supply, logo, symbol)
- +4 more
Node.jsSolana Webp3SolidityTypeScriptCSS
View Project →
FluxFi
The Next Generation DeFi Staking Platform
- ✓USDT (BEP20) staking
- ✓5-tier ROI plans (up to 7% daily)
- ✓4-level referral system (10% - 5% - 2% - 1%)
- +4 more
Solidityweb3ReactTypeScriptCSS
View Project →
Pirate Coin
Premium Meme Coin Website on Solana
- ✓🎬 video hero background
- ✓⚓️ Interactive crew hotspot map
- ✓💰 Animated treasury vault tokenomics
- +5 more
SolidityNext.jsFramer MotionWeb3.jsWeb3
View Project →
CryptoForge
International On-Chain USDT Staking System
- ✓💰 3% daily USDT rewards
- ✓👥 20-level referral system (up to 5% per level)
- ✓📊 Real-time personal dashboard
- +5 more
SolidityWeb3.jsNext.jsJavaScriptcss
View Project →
NFT Gallery
On-Chain Subscription Paywall for Premium Content
- ✓🔐 Smart-contract paywall — pay to unlock premium content
- ✓⏳ Time-based access (30s, daily, year , in one contract)
- ✓🔓 Auto-unlock on payment, auto-relock on expiry
- +4 more
SolidityReactTypeScriptwagmiethers.jsTailwindCSS
View Project →
Multichain Crypto Wallet
Non-Custodial Multichain Crypto Wallet
- ✓🔑 Non-custodial — real 12-word recovery phrase, you hold your keys
- ✓🔐 AES-256 encryption + PBKDF2, keys never leave your device
- ✓⚡ Send & receive across Ethereum, BNB Chain, Polygon & Solana
- +5 more
ReactViteethers.jsSolana Web3.jsJavaScriptTailwind CSS
View Project →
Whale Trackler
Real-Time EVM Whale Wallet Tracker
- ✓🐋 Instant whale lookup by EVM address
- ✓📊 Custom Whale Score (0-100)
- ✓⚡ Real-time on-chain activity feed
- +5 more
ReactTailwind CSSJavaScriptethers.jsAlchemy
Client Reviews
What Clients Say
Real words from real clients — DeFi founders, token launchers and Web3 investors who trusted me with their projects.
50+
Projects Delivered
100%
Client Satisfaction
5+
Years Experience
"Honestly I was skeptical at first. I've been burned by devs before who took money and disappeared. But this guy delivered MonetraFinance on time, answered every question I had, and even fixed a small UI issue after launch for free. My investors are happy and the contract is still running clean after 6 months."
Ahmed Al-Rashid
DeFi Investor · Dubai
"I came with just an idea and a logo. He built everything — the website, wallet connect, presale page, tokenomics. What I didn't expect was that he actually gave me advice on the tokenomics structure. He clearly understands DeFi, not just how to write code. Launch went smooth."
Sarah Chen
Token Founder · Singapore
"Lion Asset Wealth was my second project with him. First one went so well I didn't even look for another dev. The referral system he built handles thousands of users daily without any issues. Communication is fast, prices are fair. That's rare in this space."
Marcus Williams
Platform Owner · USA
"Honestly I was skeptical at first. I've been burned by devs before who took money and disappeared. But this guy delivered MonetraFinance on time, answered every question I had, and even fixed a small UI issue after launch for free. My investors are happy and the contract is still running clean after 6 months."
Ahmed Al-Rashid
DeFi Investor · Dubai
"I came with just an idea and a logo. He built everything — the website, wallet connect, presale page, tokenomics. What I didn't expect was that he actually gave me advice on the tokenomics structure. He clearly understands DeFi, not just how to write code. Launch went smooth."
Sarah Chen
Token Founder · Singapore
"Lion Asset Wealth was my second project with him. First one went so well I didn't even look for another dev. The referral system he built handles thousands of users daily without any issues. Communication is fast, prices are fair. That's rare in this space."
Marcus Williams
Platform Owner · USA
Get In Touch
Let's Work Together
Have a DeFi project, meme token, or smart contract idea? I'm ready to build.