---
title: GetChainInfoResponse
description: GetChainInfoResponse returns chain-level information.
source_url:
  html: https://thru.org/docs/api-ref/grpc/messages/thru/services/v1/get-chain-info-response/
  md: https://thru.org/docs/api-ref/grpc/messages/thru/services/v1/get-chain-info-response.md
---

# GetChainInfoResponse

GetChainInfoResponse returns chain-level information.

**Package:** `thru.services.v1`

## Fields

| Field | Type | # | Description |
| - | - | - | - |
| `chain_id` | `uint32` | 1 · optional | Chain identifier, unique per network (similar to Ethereum chain ID). Used to prevent transaction replay across different chains. |
| `min_lock_time` | `uint64` | 2 · optional | Minimum timestamp (nanoseconds since epoch) at which 4f+1 validator weight has reported advancement. Zero if not yet available. |