Hi everyone!
I’m Alexander Proestakis (x.com/alxProe). Over the past 2 months, I’ve been quietly building QUB Core: a decentralized, trustless, non-custodial Proof-of-Work blockchain written entirely from scratch in Rust.
Along with a private group of around 50 developers and early backers, we are ready to open the gates for the next wave of core miners and technical peers. No pre-mine, no VC allocations, no pump-and-dump mechanics. This is a pure infrastructure and engineering project.
🛠️ The Tech Stack & Architecture
Unlike 99% of modern projects, QUB Core isn't a fork, nor is it an asset-factory (like Ethereum or Solana) where anyone can deploy random smart-contract tokens.
- Language: Built from scratch in Rust (focusing on memory safety, high concurrency, and raw performance).
- Consensus: BTC-like Proof of Work (SHA-256) with CPU + GPU (OpenCL) mining enabled natively.
- Speed: 10x faster than Bitcoin (1/10 block time, meaning 1-minute blocks) and a 10x faster halving interval. Max supply is hardcapped at 21,000,000 QUB.
- State Model: Pure UTXO. However, unlike BTC/LTC/DOGE which are mono-coin chains, QUB implements a Pent-Coin Chain model. Five core assets are deeply hardcoded directly into the consensus layer:
- QUB (Native Gas & Base Currency)
- JIN (Utility/Infusion Asset)
- USDJ (Jinex USD Stablecoin)
- EURJ (Jinex EUR Stablecoin)
- XAUJ (Jinex Gold Stablecoin)
➕Infusion & 💧Melt Mechanics (DeFi at the Consensus Layer)
We ported the brilliant economic logic of "Infusion" and "Melting" (originally seen on Enjin/Substrate) directly into a PoW UTXO state transition model.
Infusion ➕: Minting Jinex stablecoins requires backing/locking base assets.
Melting 💧: Users can "melt" (aka burn) their USDJ, EURJ, or XAUJ on-chain to instantly claim and unlock the underlying 1:1 reserve buckets (e.g., USDT/USDC for USDJ) via our Ethereum cross-chain smart contract bridge.
The Jinex network originally launched (and will remain active) on the Enjin Blockchain, but QUB Core serves as the decentralized, high-performance PoW backbone for this multi-asset ecosystem.
🖥️ How to Join & Mine
The Windows client is ready. Whether you want to point your CPU/GPU to the network, feel free to join our closed, tech-first community.
Download:
https://download.qubit-coin.io/GitHub / Source:
https://github.com/AlxProe/qub-coreWe are looking for peers who understand systems programming, cryptography, and raw PoW mining. If you are looking for the next memecoin, this isn't it. If you want to mine a serious tech stack early, let's build together.
Feel free to ask me anything about the Rust implementation, the multi-asset UTXO validation logic, or the bridging mechanics below!
