Antminer X9
Monero ASIC Miner
1000KH
HASHRATE
2.47W/KH
EFFICIENCY
2470W
POWER
£861.31
EST. MONTHLY
205
DAYS
EST. ROI
This guide explains Bitcoin Core 0.18.1 release in plain English. It summarises the important changes, who they affect and what should be checked before an upgrade.
TL;DR
- What it is: Bitcoin Core 0.18.1 was a minor maintenance release with P2P, Tor, wallet, RPC, PSBT, multisig, GUI and build fixes. It corrected prune-height reporting, witness conversion behaviour, multisig address selection and missing-script signing errors while retaining the 0.18 multiwallet coin-control GUI warning.
- Why it matters: Bitcoin Core 0.18.1 fixed several correctness edges that matter to operators. A safe rollout validates the affected P2P, pruning, PSBT, signing and wallet paths instead of relying on its minor version number.
- Current position: Require a second reviewer and explicit rollback or expiry, and pause payments, signing or network-dependent services until post-change evidence is complete.
Bitcoin Core 0.18.1 release in simple English
Bitcoin Core 0.18.1 release: The release added stack-reuse hardening and build tests plus the bitcoin-wallet manual page. Verify the exact distributed binary and platform support.
Simple example
A node operator is checking Bitcoin Core 0.18.1 release. This was a bug-fix release, not a consensus activation. Prioritise behaviours named in the change log and the workloads actually used by the node.
Key terms in plain English
- Bitcoin Core:
- Widely used software that validates Bitcoin and can provide wallet, network and operator tools.
- RPC:
- A command that software sends to a node to request information or a local action.
- Consensus:
- The shared rules full nodes use to decide whether blocks and transactions are valid.
- PSBT:
- A portable format for passing an unsigned or partly signed Bitcoin transaction between tools and signers.
- Node:
- A computer running Bitcoin software that checks data and communicates with other peers.
Release scope
This was a bug-fix release, not a consensus activation. Prioritise behaviours named in the change log and the workloads actually used by the node.
Network and Tor
Fixes covered blocksonly documentation and tests, transaction decode logging, Tor event-loop interruption and receive polling. Exercise shutdown and degraded network paths.
RPC correctness
pruneblockchain returned the corrected prune height; converttopsbt witness handling was fixed; extended encoding was disallowed for non-witness transactions.
Signing and multisig
Uncompressed keys in multisig reliably produced legacy addresses, while signrawtransactionwithkey reported missing redeemScript or witnessScript instead of opaque failure.
Wallet and GUI
The known 0.18 coin-control issue across multiple loaded GUI wallets remained. Menu and wallet-controller initialisation fixes did not remove that caution.
Build changes
The release added stack-reuse hardening and build tests plus the bitcoin-wallet manual page. Verify the exact distributed binary and platform support.
How specialists test it
Node operators test the release on a representative non-production system. They check startup, normal operation, failure handling and restart before changing a live node. Connected wallets, monitoring and mining services should also be checked.
Frequently asked questions
What is the main point of Bitcoin Core 0.18.1 release?
Bitcoin Core 0.18.1 release: The release added stack-reuse hardening and build tests plus the bitcoin-wallet manual page.
For Bitcoin Core 0.18.1 release, what should a beginner know about release scope?
This was a bug-fix release, not a consensus activation. Prioritise behaviours named in the change log and the workloads actually used by the node.
For Bitcoin Core 0.18.1 release, what should a beginner know about network and Tor?
Fixes covered blocksonly documentation and tests, transaction decode logging, Tor event-loop interruption and receive polling.
For Bitcoin Core 0.18.1 release, what should a beginner know about rpc correctness?
pruneblockchain returned the corrected prune height. Converttopsbt witness handling was fixed. Extended encoding was disallowed for non-witness transactions.
Conclusion
Bitcoin Core 0.18.1 fixed several correctness edges that matter to operators. A safe rollout validates the affected P2P, pruning, PSBT, signing and wallet paths instead of relying on its minor version number.
Primary sources
Check the current specification status and the documentation for the exact implementation you operate before moving production funds or changing a mining node.
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