Testnet
Also covering Testnet3 and Testnet4
Testnet is a testing network included with Bitcoin Core and supported by many other Bitcoin applications. Testnet3 is the longest-running incarnation of testnet as of 2024, with testnet4 currently being a recently started replacement.
This topic description is a stub. We would welcome a pull request providing more background information about the topic.
Optech newsletter and website mentions
2024
- New CPUNet testnet announced with a modified PoW algorithm designed for CPU-only mining
- New time warp attack discovered during analysis of testnet4’s attempted time warp fix
- Bitcoin Core #29775 adds a
testnet4configuration option - BIPs #1601 adds BIP94 specifying testnet4
- Bitcoin Core PR Review Club about testnet4
- BIP and experimental implementation of testnet4
- CoreDev.tech Berlin event with discussion about testnet4
- Discussion about resetting and modifying testnet
- Core Lightning 24.02 includes the fix for a transaction parsing bug on testnet
2023
- Bitcoin Core #28354 begins rejecting non-standard transactions by default on testnet
- Service bit for Utreexo set for testing on testnet and signet
- Question about why both testnet and signet use the
tb1bech32 address prefix?
2022
- BOLTs #968 adds default TCP ports for nodes using Bitcoin testnet and signet
- Bitcoin Core #18554 prevents the same wallet from being used on mainnet and testnet
- Bitcoin Core #23882 updates documentation about testnet3 to mention the BIP30 problem
2021
- Software incorrectly implementing compact block filtering failed on testnet
- Instructions for creating taproot transactions on testnet
2020
- Bitcoin PR review club on signet with questions and answers about testnet
- C-Lightning #3763 adds a new RPC used to open a channel to every public testnet LN node
- Question: will there by a testnet4?
- BOLTs #682 updates
initmessage to prevent mainnet nodes from connecting to testnet nodes
2019
- C-Lightning #3268 changes the default network from Bitcoin testnet to Bitcoin mainnet
- Feedback requested on signet, an alternative to testnet
2018
- Open source release of esplora, a block explorer supporting testnet
- CVE-2018-17144 duplicate inputs bug exploited on testnet
- Discussion of resetting testent
- High block production rate on testnet leading to degradation of service
See also
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