Invalid block 225221
0000000000000386f943ff46dbf220fed2ef2ce55214d6fce868db21507ddc99
Why it is invalid
- rule
- bip34_v2_coinbase_height_mismatch
- Core reject
bad-cb-height- Core check
ContextualCheckBlock- CI checks
- Both coinbase context fields, decoded height matching the scriptSig, and a scriptSig that lacks the exact expected BIP34 prefix. Header version must be at least 2 and height below 227931. Applicability of the historical rolling-version threshold still requires review.
Header
- version
- 0x00000002 (2)
- previous block
- 00000000000001bf5746a9e47d33e066b0f993a4310852ef277e8be952151de2 (canonical, mempool.space)
- merkle root
- 79b302a4b81eaf84dff3ac3054ef34e7a86d0a21e3ef86c9424cd3f10dc46453
- time
- 2013-03-10 18:09:36 UTC (1362938976)
- bits
- 0x1a03d74b difficulty 4,367,876
- nonce
- 896655159
- header hex
- 02000000e21d1552e98b7e27ef520831a493f9b066e0337de4a94657bf010000000000005364c40df1d34c42c986efe3210a6da8e734ef5430acf3df84af1eb8a402b37960cc3c514bd7031a37df7135
Evidence on file coinbase proof
- proof file
- 225221-0000000000000386f943ff46dbf220fed2ef2ce55214d6fce868db21507ddc99.json coinbase and its merkle branch
- record
- data/invalid-blocks.jsonl, line 118
Context
- expected_nbits
- 1a03d74b
- coinbase_height
- 436459339
- coinbase_scriptsig_hex
- 044bd7031a59522cfabe6d6db0539f1943fa0263ab4bc7be9259f1270ebaa0d23733e662654b6a049aa054880800000000000000
- scriptSig as text
- ·K···YR,··mm·S··C··c·K···Y·'····73·beKj···T·········
Observations (4)
Where the block was seen or recovered. Observations record acquisition; they do not establish the failure.
| channel | source | child chain | first seen | provenance |
|---|---|---|---|---|
| merge_mining | merge-mining-research | devcoin 80807 | https://github.com/deadmanoz/merge-mining-research/blob/f543b1f23c57be6840c7a2a44a59306b5d0180f7/data/error-blocks/error_block_observations.csv#L6 | |
| merge_mining | merge-mining-research | namecoin 99535 | https://github.com/deadmanoz/merge-mining-research/blob/f543b1f23c57be6840c7a2a44a59306b5d0180f7/data/error-blocks/error_block_observations.csv#L46 | |
| merge_mining | mergedmonitor | devcoin | https://github.com/NStifter/mergedmonitor/blob/54344d4e355f73eb94bef8d391e8fb6e4a9323a6/fork-analysis/mergedmonitor/mergedmonitor.json | |
| merge_mining | mergedmonitor | namecoin | https://github.com/NStifter/mergedmonitor/blob/54344d4e355f73eb94bef8d391e8fb6e4a9323a6/fork-analysis/mergedmonitor/mergedmonitor.json |