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143 sats \ 2 replies \ @Murch 11 Mar \ on: MARA lost block race against SBI Crypto at height 935976 bitcoin

FWIW, mempool.space saw the SBI Crypto block before the Mara Pool block, even though the latter has a lower timestamp.

SBI Block:
Timestamp 1770771272
firstSeen: 1770771262

Mara block:
timestamp: 1770771249
firstSeen: 1770771263

SBI:
➜ ~ curl -sSL "https://mempool.space/api/v1/block/00000000000000000000626a49c9c9047fb8b49a8216daf5e448d44517d38a55"
{"id":"00000000000000000000626a49c9c9047fb8b49a8216daf5e448d44517d38a55","height":935976,"version":537133060,"timestamp":1770771272,"bits":386022526,"nonce":1277852845,"difficulty":125864590119494.3,"merkle_root":"086931e440923cc0d63b41b053c3243829623a8e27c54b5a277d4628ba44d7bc","tx_count":1725,"size":1137163,"weight":2635573,"previousblockhash":"000000000000000000002c36a1ae1dd679f3edef9b8ad579e010cbb119a9041d","mediantime":1770768987,"extras":{"totalFees":1697395,"medianFee":1,"feeRange":[1,1,1.1000649772579598,2,2.3191489361702127,4,376.09154929577466],"reward":314197395,"pool":{"id":112,"name":"SBI Crypto","slug":"sbicrypto","minerNames":null},"avgFee":984,"avgFeeRate":2,"coinbaseRaw":"0328480e0431d38b692f53424943727970746f2e636f6d20506f6f6c2f75731606c2a800db0e0000000000","coinbaseAddress":"bc1qey5lp33mkzsk93pmg3d89ml75xchgv4lx50w7j","coinbaseAddresses":["bc1qey5lp33mkzsk93pmg3d89ml75xchgv4lx50w7j"],"coinbaseSignature":"OP_0 OP_PUSHBYTES_20 c929f0c63bb0a162c43b445a72effea1b17432bf","coinbaseSignatureAscii":"\u0003(H\u000e\u00041Ói/SBICrypto.com Pool/us\u0016\u0006¨\u0000Û\u000e\u0000\u0000\u0000\u0000\u0000","avgTxSize":659.0600000000001,"totalInputs":4748,"totalOutputs":4495,"totalOutputAmt":197764806449,"medianFeeAmt":282,"feePercentiles":[99,142,180,282,502,1128,87150],"segwitTotalTxs":1598,"segwitTotalSize":960517,"segwitTotalWeight":1929097,"header":"040004201d04a919b1cb10e079d58a9befedf379d61daea1362c00000000000000000000bcd744ba28467d275a4bc5278e3a62293824c353b0413bd6c03c9240e431690848d38b697e3c0217ad7c2a4c","utxoSetChange":-253,"utxoSetSize":164429626,"totalInputAmt":197766503844,"virtualSize":658893.25,"firstSeen":1770771262,"orphans":[{"height":935976,"hash":"000000000000000000003be80b432a84daf900e043f3a4f41bfa22921ae0ef6c","status":"valid-headers","prevhash":"000000000000000000002c36a1ae1dd679f3edef9b8ad579e010cbb119a9041d"}],"matchRate":99.71,"expectedFees":1832037,"expectedWeight":3991965}}%

Mara:
➜ curl -sSL "https://mempool.space/api/v1/block/000000000000000000003be80b432a84daf900e043f3a4f41bfa22921ae0ef6c"
{"id":"000000000000000000003be80b432a84daf900e043f3a4f41bfa22921ae0ef6c","height":935976,"version":537133056,"timestamp":1770771249,"bits":386022526,"nonce":243793017,"difficulty":125864590119494.3,"merkle_root":"cba9fea0a940a897d5bfe17e1052775b0f449eb4d7639c1308a7fb3d29da4021","tx_count":3294,"size":1728560,"weight":3992984,"previousblockhash":"000000000000000000002c36a1ae1dd679f3edef9b8ad579e010cbb119a9041d","mediantime":1770768987,"extras":{"totalFees":1794462,"medianFee":1,"feeRange":[0.22545454545454546,0.25004899078973153,0.2993672267073969,1.0009066183136899,2.00711743772242,3.004366812227074,377.42049469964667],"reward":314294462,"pool":{"id":115,"name":"MARA Pool","slug":"marapool","minerNames":null},"avgFee":545,"avgFeeRate":2,"coinbaseRaw":"0328480e0426d38b697c204d415241204d61646520696e2055534120f09f87baf09f87b8207c763034fabe6d6d7149ff559bea9fad833b54ede3e32a951a69ae9344c565090d1c02e811194b100100000000000000132f8f585400a8390000ffffffff","coinbaseAddress":"32i1m6gNcSHwiPX9nfTNXVjme9j5DU8y5g","coinbaseAddresses":["32i1m6gNcSHwiPX9nfTNXVjme9j5DU8y5g"],"coinbaseSignature":"OP_HASH160 OP_PUSHBYTES_20 0b2867e31c2c5e8ebb55631eececd31da8e25108 OP_EQUAL","coinbaseSignatureAscii":"\u0003(H\u000e\u0004&Ói| MARA Made in USA ðºð¸ |v04ú¾mmqIÿU;Tíãã*\u001ai®DÅe\t\r\u001c\u0002è\u0011\u0019K\u0010\u0001\u0000\u0000\u0000\u0000\u0000\u0000\u0000\u0013/XT\u0000¨9\u0000\u0000ÿÿÿÿ","avgTxSize":524.76,"totalInputs":6597,"totalOutputs":9172,"totalOutputAmt":196900014001,"medianFeeAmt":151,"feePercentiles":[16,21,42,151,298,635,87150],"segwitTotalTxs":0,"segwitTotalSize":0,"segwitTotalWeight":0,"header":"000004201d04a919b1cb10e079d58a9befedf379d61daea1362c000000000000000000002140da293dfba708139c63d7b49e440f5b7752107ee1bfd597a840a9a0fea9cb31d38b697e3c021779fc870e","utxoSetChange":0,"utxoSetSize":164429626,"totalInputAmt":197766503844,"virtualSize":998246,"firstSeen":1770771263,"orphans":[{"height":935976,"hash":"000000000000000000003be80b432a84daf900e043f3a4f41bfa22921ae0ef6c","status":"valid-headers","prevhash":"000000000000000000002c36a1ae1dd679f3edef9b8ad579e010cbb119a9041d"}],"matchRate":100,"expectedFees":1832037,"expectedWeight":3991965}}%

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85 sats \ 1 reply \ @Filiprogrammer OP 11 Mar

Just checked the logs on my node and yup, same for me:

2026-02-11T00:54:22.368288+00:00 Saw new header hash=00000000000000000000626a49c9c9047fb8b49a8216daf5e448d44517d38a55 height=935976
2026-02-11T00:54:22.631972+00:00 UpdateTip: new best=00000000000000000000626a49c9c9047fb8b49a8216daf5e448d44517d38a55 height=935976 version=0x20040004 log2_work=96.077678 tx=1308167628 date='2026-02-11T00:54:32Z' progress=1.000000 cache=369.6MiB(2836800txo) warning='Miner violated version bit protocol'
2026-02-11T00:54:23.120026+00:00 Saw new header hash=000000000000000000003be80b432a84daf900e043f3a4f41bfa22921ae0ef6c height=935976
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22 sats \ 0 replies \ @Murch 11 Mar

Also, according to stratum.work, only Mara and Via saw the Mara block first:

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