> For the complete documentation index, see [llms.txt](https://docs.filecoin.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.filecoin.io/networks-and-tools/networks/mainnet.md).

# Mainnet

Mainnet is the primary Filecoin network. Mainnet began on block 148,888. It supports 32 GiB and 64 GiB sectors.

{% hint style="info" %}
Also see [Mainnet RPCs](/networks-and-tools/networks/mainnet/rpcs.md) and [Mainnet Explorers](/networks-and-tools/networks/mainnet/explorers.md).
{% endhint %}

**Maintainer**: [Protocol Labs](https://protocol.ai)

## Genesis

* CAR File: `QmavMCf95w2UMYGD1J5GpHcWBWXR2jTFYmtAkgeroMmpk1`
* Reset Timestamp: `2020-08-24T22:00:00Z`
* Genesis Block CID: `bafy2bzacecnamqgqmifpluoeldx7zzglxcljo6oja4vrmtj7432rphldpdmm2`
* SHA-1 Digest: `4782cb42b4b01793b5cd9f593cc3dc87b6d3c7b4`

## Network parameters

* Supported Sector Sizes: `32 GiB` and `64 GiB`
* Consensus Miner Min Power: `10 TiB`
* Epoch Duration Seconds: `30`
* Expected Leaders per Epoch: `5`
* WindowPoSt Proving Period: `2880`
* WindowPoSt Challenge Window: `60`
* WindowPoSt Period Deadlines: `48`
* Pre-Commit Challenge Delay: `150`

## Bootstrap peers

Bootstrap peers for mainnet can be found at:

`https://github.com/filecoin-project/lotus/blob/release/`**\[latest release]**`/build/bootstrap/mainnet.pi`

The latest Lotus release can be found at <https://github.com/filecoin-project/lotus/releases/latest/>

## Resources

* [Latest lightweight snapshot](https://forest-archive.chainsafe.dev/latest/mainnet/) generated with [Forest](http://github.com/ChainSafe/forest) by [ChainSafe](https://chainsafe.io/)
* [Complete Filecoin blockchain archival data](https://forest-archive.chainsafe.dev/list/) generated with [Forest](http://github.com/ChainSafe/forest) by [ChainSafe](https://chainsafe.io/)
* [Status page and incidents](https://filecoin.statuspage.io/)
* [Slack Channel for Updates: #fil-network-announcements](https://filecoinproject.slack.com/archives/C01AC6999KQ)
* [Slack Channel for Questions: #fil-help](https://filecoinproject.slack.com/archives/CEGN061C5)
* [Mainnet block explorer: FilFOX](https://filfox.info/en)
* [Mainnet Faucet - Forest Explorer](https://forest-explorer.chainsafe.dev/faucet/mainnet)

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