Antminer X9
Monero ASIC Miner
1000KH
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2470W
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£852.68
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207
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EST. ROI
This guide explains Bitcoin Core analyzepsbt RPC in plain English. It shows what the command does, what its result means and what it cannot prove.
TL;DR
- What it is: Bitcoin Core 0.18.0 analyzepsbt inspected a base64 PSBT without signing or finalising it. For every input it reported UTXO availability, final state, missing public keys, signatures or scripts and the next BIP 174 role.
- Why it matters: analyzepsbt is a useful readiness report, not a transaction approval engine. Keep the original artefact, validate every added fact and require independent fee and intent review.
- 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 analyzepsbt RPC in simple English
Bitcoin Core analyzepsbt RPC: The RPC diagnoses structure and readiness. It does not authenticate recipients, approve fees, prove UTXOs remain unspent, sign, finalise or broadcast the transaction.
Simple example
A miner is checking Bitcoin Core analyzepsbt RPC. Estimated_vsize, estimated_feerate in historical BTC/kB and fee appear only when all UTXO slots are filled. Per-input and overall next fields describe the Creator, Updater, Signer, Finalizer or Extractor stage needed by BIP 174.
Key terms in plain English
- BIP:
- Bitcoin Improvement Proposal: a document describing a proposed rule, standard or process. Its status must be checked separately.
- 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.
- UTXO:
- An unspent transaction output: a piece of bitcoin that can be used as an input to a later transaction.
- PSBT:
- A portable format for passing an unsigned or partly signed Bitcoin transaction between tools and signers.
Read-only scope
The RPC diagnoses structure and readiness. It does not authenticate recipients, approve fees, prove UTXOs remain unspent, sign, finalise or broadcast the transaction.
Input status
has_utxo indicates whether supporting output data is supplied; is_final indicates a final script is present. Neither alone proves the input will validate against the current chain.
Missing data
The missing object can identify public-key hashes needing derivation paths, signature key IDs, redeemScript hash or witnessScript hash. Resolve each through an authorised source.
Next role
Per-input and overall next fields describe the Creator, Updater, Signer, Finalizer or Extractor stage needed by BIP 174. They are workflow hints, not trusted routing instructions.
Conditional estimates
estimated_vsize, estimated_feerate in historical BTC/kB and fee appear only when all UTXO slots are filled. Convert units explicitly and independently total inputs and outputs.
Privacy
Even unsigned PSBTs can expose UTXOs, values, scripts, derivation paths and ownership clusters. Analyse on a controlled node and redact diagnostic records.
How specialists test it
Operators test the command on a non-production node first. They check a normal reply, an invalid request, a timeout and a restart. This shows what the response means and prevents one local result from being mistaken for a network-wide outcome.
Frequently asked questions
What is the main point of Bitcoin Core analyzepsbt RPC?
Bitcoin Core analyzepsbt RPC: The RPC diagnoses structure and readiness. It does not authenticate recipients, approve fees, prove UTXOs remain unspent, sign, finalise or broadcast the transaction.
For Bitcoin Core analyzepsbt RPC, what should a beginner know about read-only scope?
The RPC diagnoses structure and readiness. It does not authenticate recipients, approve fees, prove UTXOs remain unspent, sign, finalise or broadcast the transaction.
For Bitcoin Core analyzepsbt RPC, what should a beginner know about input status?
has_utxo indicates whether supporting output data is supplied. Is_final indicates a final script is present.
For Bitcoin Core analyzepsbt RPC, what should a beginner know about missing data?
The missing object can identify public-key hashes needing derivation paths, signature key IDs, redeemScript hash or witnessScript hash.
Conclusion
analyzepsbt is a useful readiness report, not a transaction approval engine. Keep the original artefact, validate every added fact and require independent fee and intent review.
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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