Initial Vexta Core v0.1.0 release

README.md

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+# Vexta Core
+
+Vexta Core is the reference implementation of the Vexta blockchain.
+
+## Overview
+
+Vexta is a UTXO-based proof-of-work blockchain built on the Bitcoin Core architecture. It uses a single SHA256D mining algorithm, 10-minute block times, and a Bitcoin-style subsidy halving schedule.
+
+## Network Parameters
+
+- Consensus: Proof of Work (SHA256D)
+- Target block time: 10 minutes
+- Initial block reward: 50 VTX
+- Subsidy halving interval: 210,240 blocks
+- SegWit: Enabled
+- Taproot: Enabled
+
+## Building
+
+Build instructions are available in [INSTALL.md](INSTALL.md).
+
+Typical build process:
+
+```bash
+./autogen.sh
+./configure
+make -j$(nproc)
+```
+
+## Testing
+
+Run the unit tests:
+
+```bash
+make check
+```
+
+Functional tests are located in `test/functional`.
+
+## Contributing
+
+Contributions are welcome. Changes should prioritize stability, compatibility, maintainability, and minimal divergence from upstream Bitcoin Core whenever practical.
+
+## License
+
+Vexta Core is released under the MIT License. See [COPYING](COPYING) for details.