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What is the testnet?

Newsroom by Newsroom
February 12, 2024
in Learn
Che cos’è la testnet?
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The testnet is a parallel network to the Bitcoin blockchain used for testing operations.

The Bitcoin testnet is a testing environment designed to allow developers to test new features, soft forks, transaction scripts, and fix bugs in a secure environment without risking the integrity or stability of the mainnet.

How does the Testnet work?

The operation of the Bitcoin testnet is very similar to that of the main network, but with some fundamental differences. The most important one is that the coins (called testnet bitcoin or tBTC) have no real value. This allows developers to freely test new code without having to spend real bitcoin. tBTC are essentially free and can be obtained in various ways. A common method to obtain them is through the use of a “faucet,” an online service that distributes tBTC for free to anyone who wants them. It is not possible to transfer tBTC to the main network.

On the testnet, transaction fees are almost non-existent, and the algorithm that regulates the mining difficulty is configured not to increase.

The testnet is also useful for users who want to make test transactions or try particular setups such as multi-sig wallets without risking their funds. For example, a user could use the testnet to learn how to use a Bitcoin wallet and make their first transactions.

To use the Bitcoin testnet, you need to download a wallet that can use the testnet. Available clients include Bitcoin Core, Bitcoin Knots, and Electrum.

Once the software is downloaded, you need to create a wallet for the testnet. Once the wallet is created, you can start sending and receiving tBTC.

All Bitcoin testnet addresses start with tb1, m, or n:

  • tb1qq8drqc7vlvknlvn87pk2fma35s39ck3m74nvs9 (bech32)
  • n2H6mSXPDGA6RtnLohSCCKX2CwkkCX6KiN (segwit)
  • mpQQPLUCVPZAwz3HcR7LCsMssXm3xURvGk (legacy)
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