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

# Mining Rewards

Picoin distributes rewards through a protocol-level allocation model.

BLOCK REWARD: **3.1416 PI**

Current reward allocation:

* 67% → miners;
* 20% → Science Compute Reserve;
* 10% → validators and auditors;
* 3% → Scientific Development Fund.

The Science Compute Reserve remains locked while the future compute marketplace infrastructure is under development.

The Scientific Development Fund uses a timelocked treasury model designed to support:

* protocol development;
* audits;
* infrastructure;
* scientific grants;
* ecosystem growth.

Picoin’s reward model is designed to align long-term network growth with scientific infrastructure development.

### Retroactive Audits

Picoin includes automatic retroactive audits as an additional probabilistic security layer.

The protocol automatically executes a retroactive audit every 314 accepted blocks.

During each audit cycle:

* a previously accepted historical block is randomly selected;
* the block is revalidated using an expanded validation set;
* the protocol recalculates 64 audit samples;
* validator and audit logic verify the integrity of the historical computation.

The audited block is not necessarily the latest block.

This randomized historical verification helps strengthen long-term chain integrity and reduces the risk of delayed fraud or validator collusion.

If the retroactive audit passes successfully, the protocol generates an additional **audit reward equal to 20% of the audited block’s base reward.**

In the current configuration, the audit reward equals:

**0.62832 PI**

The audit reward is currently recorded as:

retroactive\_audit\_reward

and credited to the protocol-level:

audit\_treasury

until fully distributed external auditor nodes are activated.

Future versions of the network may distribute these rewards directly to independent auditor nodes responsible for executing distributed historical verification.

The retroactive audit system is designed to provide:

* probabilistic long-term verification;
* historical fraud detection;
* validator accountability;
* additional distributed security.


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