> For the complete documentation index, see [llms.txt](https://docs.witnesschain.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.witnesschain.com/archive/proof-of-bandwidth/research.md).

# Research

<table data-view="cards"><thead><tr><th></th><th></th><th></th><th data-hidden data-card-target data-type="content-ref"></th><th data-hidden data-card-cover data-type="files"></th></tr></thead><tbody><tr><td><strong>Proof of Backhaul:</strong> <em>Decentralized speedtests for backhaul</em></td><td><p><a href="https://www.witnesschain.com/assets/Proof_of_Backhaul-f417e09d.pdf"><img src="https://www.witnesschain.com/assets/speed-test-866c8aaa.png" alt=""></a></p><p>Decentralised speed-test which can be used by a “payer” to determine the backhaul capacity of a “prover” with the help of a pool of “challengers” who send the challenge traffic to the prover.</p></td><td></td><td><a href="https://arxiv.org/pdf/2210.11546.pdf">https://arxiv.org/pdf/2210.11546.pdf</a></td><td><a href="/files/G7aZd1LNeDQQr6JaDNqO">/files/G7aZd1LNeDQQr6JaDNqO</a></td></tr></tbody></table>