1# Examples and Projects
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3> This section contains examples and projects that use Sonobe. You can find isolated examples too in the dir [sonobe/examples](https://github.com/privacy-scaling-explorations/sonobe/tree/main/examples).
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5- [sonobe-btc](https://github.com/dmpierre/sonobe-btc): implementation of an on-chain Bitcoin light client leveraging Sonobe: uses nova to verify bitcoin's proof of work over 100k blocks and groth16 to land the zkSNARK IVC proof on chain.
6- [hash-chain-sonobe](https://github.com/arnaucube/hash-chain-sonobe): example using Sonobe & Circom circuits, proving chains of Sha256 and Keccak256 hashes.
7- [Mova: Nova folding without committing to error terms](https://eprint.iacr.org/2024/1220):  a folding scheme for R1CS instances that does not require committing to error or cross terms. Uses sonobe for example benchmarks, see their repo [here](https://github.com/NethermindEth/sonobe/tree/paper).