[SYS]KK.PORTFOLIO / V1.0

Featured Web3 Projects

Building the Decentralized Future.

Explore Web3 application concepts and engineering projects covering blockchain wallets, decentralized payments, DAO governance, NFT membership systems, token vesting, and on-chain analytics.

Blockchain · Ethereum · Solidity · Web3

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Web3 Development

Web3 Wallet & Portfolio Dashboard

Next.jsReact.jsTypeScript
Concept UI for a dark Web3 wallet dashboard with balances, token holdings, and activity charts
01 / Web3 Development
ConceptFeatured

Web3 Wallet & Portfolio Dashboard

A modern Web3 dashboard concept designed to connect cryptocurrency wallets, display token balances, track blockchain transactions, and visualize wallet activity across supported networks.

Next.jsReact.jsTypeScriptEthers.jsMetaMask+2
  • MetaMask connection with network detection and switching
  • Token balances, portfolio summaries, and transaction history
  • Responsive loading, error, and transaction-status states

Smart Contracts

Decentralized Escrow & Milestone Payments

SolidityOpenZeppelinHardhat
Concept UI for decentralized escrow agreements, funded milestones, and approval status
02 / Smart Contracts
Concept

Decentralized Escrow & Milestone Payments

A blockchain escrow application concept for milestone-based agreements, allowing participants to fund contracts, manage deliverables, and release test-token payments through transparent smart contract rules.

SolidityOpenZeppelinHardhatReact.jsEthers.js+1
  • Wallet-based agreement creation and test-token funding
  • Milestone submission, approval, and payment-release workflow
  • Contract events, history, and defined dispute states

DAO Development

DAO Governance & Voting Platform

SolidityOpenZeppelin GovernorHardhat
Concept UI for a DAO governance dashboard with proposals, votes, and participation statistics
03 / DAO Development
Concept

DAO Governance & Voting Platform

A decentralized governance platform concept for creating proposals, managing voting eligibility, and displaying transparent governance results through blockchain interactions.

SolidityOpenZeppelin GovernorHardhatEthereumReact.js+1
  • Proposal creation, deadlines, and lifecycle display
  • Eligibility-aware on-chain voting and vote counting
  • Governance results, statistics, and event history

NFT Development

NFT Membership & Token-Gated Access

SolidityERC-721OpenZeppelin
Concept UI with NFT membership cards, membership levels, and token-gated content
04 / NFT Development
Concept

NFT Membership & Token-Gated Access

A Web3 membership platform concept using NFTs to manage membership ownership and enable access to exclusive digital content, communities, or application features.

SolidityERC-721OpenZeppelinNext.jsReact.js+2
  • ERC-721 ownership and membership-status verification
  • Wallet message authentication for gated application areas
  • Membership artwork, metadata, levels, and responsive dashboard

Smart Contracts

Token Vesting & Distribution Dashboard

SolidityOpenZeppelinHardhat
Concept UI for token allocations, vesting schedules, locked amounts, and claimable balance
05 / Smart Contracts
Concept

Token Vesting & Distribution Dashboard

A token vesting application concept for managing allocations, visualizing release schedules, and allowing eligible users to claim simulated vested tokens through smart contracts.

SolidityOpenZeppelinHardhatReact.jsTypeScript+1
  • Allocation, cliff, and release-schedule visualization
  • Vested and claimable balance calculation with claim flow
  • Distribution history and role-aware administration

Blockchain Analytics

Blockchain Analytics & Transaction Explorer

Next.jsReact.jsTypeScript
Concept UI for a blockchain explorer with search, transaction statistics, transfer tables, and charts
06 / Blockchain Analytics
Concept

Blockchain Analytics & Transaction Explorer

A full-stack blockchain analytics dashboard concept for exploring wallet transactions, token transfers, contract events, and indexed on-chain activity.

Next.jsReact.jsTypeScriptEthers.jsSpring Boot+3
  • Wallet and transaction search with network selection
  • Transfer history, contract events, status, and filters
  • Indexed historical charts through a full-stack data pipeline

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