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add chain params

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Alex Grintsvayg 2021-04-09 10:56:28 -04:00
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---
title: LBRY Chain Parameters
category: other
---
These parameters are often needed to integrate LBRY into wallets or exchanges.
## Only trust the source
[The source code](https://github.com/lbryio/lbrycrd/blob/v0.17.3.2/src/chainparams.cpp) is the only true definition of the chain parameters.
They are reproduced here for convenience only. If there's any discrepancy, the source is correct.
## Parmeters
| Name | Value |
| ----------- | ----------- |
| Genesis Block Hash | `9c89283ba0f3227f6c03b70216b9f665f0118d5e0fa729cedf4fb34d6a34f463` |
| Target Block Time | 150 seconds |
| Default Port | `9246` |
| Pubkey Address Prefix | `0x55` (starts with `b`) |
| Script Address Prefix | `0x7a` (starts with `r`) |
| Secret Key Prefix | `0x1c` |
| Witness Pubkey Prefix | `0x06` (starts with `p2`) |
| Witness Script Prefix | `0x0a` (starts with `7Xh`) |
| BIP32 Extended Pubkey Prefix | `0x0488b21e` (starts with `xpub`) |
| BIP32 Extended Secret Prefix | `0x0488ade4` (starts with `xprv`) |
| BIP173 Bech32 Human-Readable Part | `lbc` |
| BIP44 Coin Type | `0x8c` |
| Network Magic Bytes | `0xfae4aaf1` |
| COIN (how many deweys in 1 LBC) | `100000000` |