Developers

Introduction

Developer overview of the BitSong Crescendo-1 testnet with chain specs, endpoints, and tools.

Crescendo-1 is the official BitSong testnet built from the feat-hyperlane branch of go-bitsong. It provides a sandbox for developers to build and test applications against the chain before mainnet deployment.

Chain Specifications

Parameter	Value
Chain ID	`crescendo-1`
Denom	`ubtsg` (6 decimals — `1 BTSG` = `1000000 ubtsg`)
Bech32 Prefix	`bitsong`
Coin Type	`639`
Binary	`bitsongd`
Branch	`feat-hyperlane`
Networks Repo	`bitsongofficial/networks`

Public Endpoints

Service	URL
RPC	`https://rpc.testnet.bitsong.io`
REST API	`https://api.testnet.bitsong.io`
Faucet API	`https://faucet.testnet.bitsong.io`

Developer Tools

CosmJS

Create wallets, sign transactions, and query the chain using the official JavaScript/TypeScript library.

Faucet API

Programmatically request testnet tokens via the REST API for automated testing.

Send Transactions

Sign and broadcast transactions using CosmJS with the Crescendo-1 testnet.

Chain Parameters

Detailed chain configuration, genesis parameters, and denomination info.

Quick Start

Install CosmJS

npm install @cosmjs/proto-signing @cosmjs/stargate

Connect to the testnet

import { StargateClient } from "@cosmjs/stargate"

const client = await StargateClient.connect("https://rpc.testnet.bitsong.io")
const height = await client.getHeight()
console.log("Current block height:", height)

Get testnet tokens

Request tokens from the faucet to fund your development wallet.

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Monitoring

Verify your node is running correctly and troubleshoot common issues on the Crescendo-1 testnet.

Create a Wallet

Create a BitSong wallet programmatically using CosmJS for the Crescendo-1 testnet.