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+Copyright (c) 2024 Boyu Yang <yangby@cryptape.com>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
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+# CKB Bitcoin SPV Service
+
+[![License]](#license)
+
+> [!WARNING]
+> This repository is still in the proof-of-concept stage.
+
+A service, which synchronizes [Bitcoin] headers to a [Bitcoin SPV on CKB]
+and provides an API to generate proofs for [Bitcoin] transactions so that
+they can be verified on [CKB].
+
+[License]: https://img.shields.io/badge/License-MIT-blue.svg
+
+## Related Projects
+
+- [The Core Library of CKB Bitcoin SPV][Bitcoin SPV on CKB]
+
+- [The CKB Bitcoin SPV Contracts](https://github.com/ckb-cell/ckb-bitcoin-spv-contracts)
+
+## License
+
+Licensed under [MIT License].
+
+[Bitcoin]: https://bitcoin.org
+[CKB]: https://github.com/nervosnetwork/ckb
+[Bitcoin SPV on CKB]: https://github.com/ckb-cell/ckb-bitcoin-spv
+
+[MIT License]: LICENSE