# Data Sources

### On-Chain Data Sources

#### EVM

<table><thead><tr><th width="134">Network</th><th width="149">Addresses</th><th>Transactions</th><th>Balances</th><th>Testnets</th></tr></thead><tbody><tr><td>Ethereum </td><td>✅</td><td>✅</td><td>✅</td><td>✅</td></tr><tr><td>Polygon</td><td>✅</td><td>✅</td><td>✅</td><td><span data-gb-custom-inline data-tag="emoji" data-code="274c">❌</span></td></tr><tr><td>Arbitrum</td><td>✅</td><td>✅</td><td>✅</td><td><span data-gb-custom-inline data-tag="emoji" data-code="274c">❌</span></td></tr><tr><td>Optimism</td><td>✅</td><td>✅</td><td>✅</td><td><span data-gb-custom-inline data-tag="emoji" data-code="274c">❌</span></td></tr><tr><td>Base</td><td>✅</td><td>✅</td><td>✅</td><td><span data-gb-custom-inline data-tag="emoji" data-code="274c">❌</span></td></tr><tr><td>Blast</td><td>✅</td><td>✅</td><td>✅</td><td><span data-gb-custom-inline data-tag="emoji" data-code="274c">❌</span></td></tr></tbody></table>

#### Non-EVM

<table><thead><tr><th width="134">Network</th><th width="149">Addresses</th><th>Transactions</th><th>Balances</th><th>Testnets</th></tr></thead><tbody><tr><td>Bitcoin</td><td>✅</td><td>✅</td><td>✅</td><td><span data-gb-custom-inline data-tag="emoji" data-code="274c">❌</span></td></tr></tbody></table>

### Off-Chain Data Sources

#### Forum and Community Data

* Discourse (Forums)
* Discord

#### Off-Chain Governance

* Snapshot
* Boardroom

#### Other Data Sources

* Dune
* Coingecko
* Gitcoin
* Jokerace