> For the complete documentation index, see [llms.txt](https://walletsafu.gitbook.io/walletsafu/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://walletsafu.gitbook.io/walletsafu/earn/staking-usdwsafu/pow.md).

# PoW

<figure><img src="https://3866183644-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FyEhIIyMjgoavWlTFF1cE%2Fuploads%2FNuOxOaBUWZuKwtQMZAxO%2F25.png?alt=media&amp;token=662b51a8-10ee-4d3b-849e-9933e7ce86a3" alt=""><figcaption></figcaption></figure>

#### *`To add each block to the chain, miners must compete to solve a difficult puzzle using their computers power.`*

<figure><img src="https://3866183644-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FyEhIIyMjgoavWlTFF1cE%2Fuploads%2FllC3xuTlOVKnB1YmsA8t%2F26.png?alt=media&amp;token=3cc069b7-5ac5-4bfd-bb85-a161bfe16d4c" alt=""><figcaption></figcaption></figure>

#### *`In order to add a malicious block, you'd have to have a computer more powerful than 51% of the network.`*

<figure><img src="https://3866183644-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FyEhIIyMjgoavWlTFF1cE%2Fuploads%2Fmuy950B1HDuv9KRroITQ%2F27.png?alt=media&amp;token=5fb1b98e-3fa8-4fb1-a0db-695683aa8194" alt=""><figcaption></figcaption></figure>

#### *`The first miner to solve the puzzleis given a reward for their work.`*

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