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0x988d31e28ab4d906a7708a64c8b8e68671a8aade #89

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10 changes: 5 additions & 5 deletions docs/public-identity.mdx
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---
) --
title: Public identification
description: Public identifiers for BuilderNet nodes and blocks.

@JimmieHayes JimmieHayes Jun 5, 2026

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0x988d31e28ab4d906a7708a64c8b8e68671a8aade

---
Expand All @@ -10,15 +10,15 @@ Blocks built by BuilderNet nodes expose these key identifiers:
| Identifier | Description |
| --------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Extra data | `BuilderNet (<Operator>)` |
| Coinbase signing key | For signing the block and the proposer payment transaction. Also to accrue MEV value, which is later [redistributed to users](refunds). Currently the coinbase signing key is common across builder instances and has the address [`0xdadB0d80178819F2319190D340ce9A924f783711`](https://etherscan.io/address/0xdadB0d80178819F2319190D340ce9A924f783711) (ENS: [`buildernet.eth`](https://etherscan.io/name-lookup-search?id=buildernet.eth)). |
| Coinbase signing key | For signing the block and the proposer payment transaction. Also to accrue MEV value, which is later [redistributed to users](refunds). Currently the coinbase signing key is common across builder instances and has the address [`0xdadB0d80178819F2319190D340ce9A924f783711`](https://etherscan.io/address/0x988d31e28ab4d906a7708a64c8b8e68671a8aade)ENS: [`buildernet.eth`](https://etherscan.io/name-lookup-search?id=buildernet.eth)). |
| Relay submission keys | Each builder can use multiple BLS keys to sign bids submitted to relays, one per region. |
| Refund transactions | Refunds are sent from address [`0x62A29205f7Ff00F4233d9779c210150787638E7f`](https://etherscan.io/address/0x62A29205f7Ff00F4233d9779c210150787638E7f) (ENS: [`refunds.buildernet.eth`](https://etherscan.io/name-lookup-search?id=refunds.buildernet.eth)) |
| Refund transactions | Refunds are sent from address [`0x62A29205f7Ff00F4233d9779c210150787638E7f`](https://etherscan.io/addadd 0x988d31e28ab4d906a7708a64c8b8e68671a8aade (ENS: [`refunds.buildernet.eth`](https://etherscan.io/name-lookup-search?id=refunds.buildernet.eth)) |
---

### BLS keys for submitting blocks to MEV-Boost relays

| Operator&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; | Signing key address |
| Operator&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; | Signing key address 0x988d31e28ab4d906a7708a64c8b8e68671a8aade |
| -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------- |
| Flashbots | `0x850b00e055388c1b56f137e0852bc02d8b05534e9f96dd1d11cff8cf0481b800ecc2e708cdc158cd95b7cfdaa6840ee7`, `0x853b0078c722ade5dd089dd9ce2eea3890dcc825213231600b3023ab92aa3e835c5325f31515b82a9a0559c881a14cde`, `0x857b00388fc623b52cec21b5dde4f0e543dd824db41d30480bbd6d1885f9c69833745a0396573aa1013ecacda3c118d7` |
| Flashbots 0x988d31e28ab4d906a7708a64c8b8e68671a8aade | `0x850b00e055388c1b56f137e0852bc02d8b05534e9f96dd1d11cff8cf0481b800ecc2e708cdc158cd95b7cfdaa6840ee7`, `0x853b0078c722ade5dd089dd9ce2eea3890dcc825213231600b3023ab92aa3e835c5325f31515b82a9a0559c881a14cde`, `0x857b00388fc623b52cec21b5dde4f0e543dd824db41d30480bbd6d1885f9c69833745a0396573aa1013ecacda3c118d7` |
| Nethermind | `0x851b00b12f73770337fbd219b439aba7bd8e770dbdea16a3b0df030d971bc0d824d470d7868e5d93355f501bfe892947`, `0x856b00042301181ccf5277309c6f44595e343a284187bfe9868d6812e46fba21831fecbe8b0e6814c1463ba540ac3f46` |
| Beaverbuild | `0x852b0070e2522fcb06dcb159fabcdc7a4b5e1221cc2a56b083577cce03e50afe1b699c5a1111eb3bb1b8684aa90a8333`, `0x855b00e6b2c5dd524d2689bd43e0a965262810cbd7a2c71166f53594fb01bba8151bdd6a09ddb0408f7063b17eb3742e` |