# on receiving block 884409 here $ date -u '+%Y-%m-%dT%H:%M:%SZ' 2025-02-19T02:40:05Z # as written in the block header 2025-02-19T02:39:39Z $ uptime # since last reboot 02:40:04 up 16 days, 14:19, 0 users, load average: 0.52, 0.57, 0.63 $ battery.sh 100%, Power Supply Online $ uname -smnr Linux singer 6.6.37-0-lts x86_64 $ grep ^MemAvailable /proc/meminfo MemAvailable: 1385232 kB $ du -h -d1 .bitcoin/ 1.0G .bitcoin/testnet4 10.9G .bitcoin/indexes 1.5G .bitcoin/signet 5.9M .bitcoin/wallets 97.6G .bitcoin/blocks 11.4G .bitcoin/chainstate 122.5G .bitcoin/ $ df -h . Filesystem Size Used Available Use% Mounted on /dev/sda3 911.4G 832.6G 77.9G 91% / $ bitcoind -version Bitcoin Core version v28.1.0 Copyright (C) 2009-2024 The Bitcoin Core developers Please contribute if you find Bitcoin Core useful. Visit for further information about the software. The source code is available from . This is experimental software. Distributed under the MIT software license, see the accompanying file COPYING or $ BC=$(bitcoin-cli getblockcount); echo $BC 884409 $ BH=$(bitcoin-cli getblockhash 884409); echo $BH 000000000000000000009e6f894ab85eea785e6e97eecb3d0514243032d9cc71 $ bitcoin-cli getblockheader 000000000000000000009e6f894ab85eea785e6e97eecb3d0514243032d9cc71 { "hash": "000000000000000000009e6f894ab85eea785e6e97eecb3d0514243032d9cc71", "confirmations": 1, "height": 884409, "version": 536870912, "versionHex": "20000000", "merkleroot": "8111c22d3c92437f80b468cb5fcbe80c40b4a2e351bb370197038f60198fa4c3", "time": 1739932779, "mediantime": 1739929782, "nonce": 1478709827, "bits": "17027726", "difficulty": 114167270716407.6, "chainwork": "0000000000000000000000000000000000000000af3d377de1e614fbcd6bd784", "nTx": 4695, "previousblockhash": "0000000000000000000169afd4e254a7cc3204f417868e433d2055117c83d253" } $ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - - .... .... .... .... .... 9e6f 894a b85e ea78 5e6e 97ee cb3d .514 243. 32d9 cc71 $ : Following was the shortform $ : from which shortkode came $ last=${BH: -4} $ a=$(echo $BH | cut -b-60 \ | fold -w 4 \ | grep -Ev '^(0000|[^0]{4})$') $ R=$(echo $a $last | cut -b-20) $ printf "%s sf: " $BC $ { echo $R | grep "$last$" \ || echo $R M; } | tr "0\n" ". " echo 884409 sf: .514 243. cc71 $ : Following was the shortkode $ : from which anecdote came $ nz=$(echo $BH | fold -w 4 \ | grep -cE '^[^0]{4}$') $ z=$(echo $BH | fold -w 4 \ | grep -c '^0000$') $ nzzs=$(((${nz}<<4)+${z})) $ printf "%s sk: " $BC $ printf "%s %x\n" \ $last \ $nzzs \ | tr 0 . 884409 sk: cc71 95 $ : Following is an anecdote $ all=$(echo $BH | fold -w 4 \ | sed 's/^/0x/' \ | paste -s | tr '\t' ^) $ printf "%s ak: " $BC $ printf "%04x %02x\n" \ $(($all)) $nzzs \ | tr 0 . 884409 ak: 9832 95 ### niceblack moved to the end $ bitcoin-cli getmempoolinfo { "loaded": true, "size": 3579, "bytes": 13343971, "usage": 74727888, "total_fee": 0.13445868, "maxmempool": 500000000, "mempoolminfee": 0.00001000, "minrelaytxfee": 0.00001000, "incrementalrelayfee": 0.00001000, "unbroadcastcount": 0, "fullrbf": true } $ gmm.sh 1007 ## Current epoch estimation is +0.78% ## 1401 of 2016, i.e. 69%, 615 to go ## Current and previous two in numbers: $ bitcoin-cli getnetworkhashps 2016 8.235409788265776e+20 $ bitcoin-cli getnetworkhashps 2016 883007 8.171059232651056e+20 $ bitcoin-cli getnetworkhashps 2016 880991 7.735413493438086e+20 $ bitcoin-cli gettxoutsetinfo muhash { "height": 884409, "bestblock": "000000000000000000009e6f894ab85eea785e6e97eecb3d0514243032d9cc71", "txouts": 177004817, "bogosize": 13811554261, "muhash": "94d11e036aafb3c514275ad4992dd04a114a53853de16bf142978047d6f386ae", "total_amount": 19826060.49452706, "total_unspendable_amount": 220.75547294, "block_info": { "prevout_spent": 261.94148943, "coinbase": 3.14039217, "new_outputs_ex_coinbase": 261.92609726, "unspendable": 0.00000000, "unspendables": { "genesis_block": 0.00000000, "bip30": 0.00000000, "scripts": 0.00000000, "unclaimed_rewards": 0.00000000 } } } $ bitcoin-cli getblockstats 884409 { "avgfee": 327, "avgfeerate": 1, "avgtxsize": 393, "blockhash": "000000000000000000009e6f894ab85eea785e6e97eecb3d0514243032d9cc71", "feerate_percentiles": [ 1, 1, 1, 1, 2 ], "height": 884409, "ins": 6499, "maxfee": 98700, "maxfeerate": 703, "maxtxsize": 133738, "medianfee": 161, "mediantime": 1739929782, "mediantxsize": 306, "minfee": 121, "minfeerate": 1, "mintxsize": 150, "outs": 9321, "subsidy": 312500000, "swtotal_size": 1785464, "swtotal_weight": 3737096, "swtxs": 4651, "time": 1739932779, "total_out": 26192609726, "total_size": 1849121, "total_weight": 3991724, "totalfee": 1539217, "txs": 4695, "utxo_increase": 2822, "utxo_size_inc": 214757, "utxo_increase_actual": 2789, "utxo_size_inc_actual": 212153 } $ bitcoin-cli getnettotals { "totalbytesrecv": 8483378397, "totalbytessent": 15619448285, "timemillis": 1739932805719, "uploadtarget": { "timeframe": 86400, "target": 0, "target_reached": false, "serve_historical_blocks": true, "bytes_left_in_cycle": 0, "time_left_in_cycle": 0 } } $ bitcoin-cli -netinfo Bitcoin Core client v28.1.0 - server 70016/Satoshi:28.1.0/ ipv4 npr total block manual in 34 2 36 out 11 0 11 2 1 total 45 2 47 Local addresses: n/a $ bitcoin-cli -addrinfo { "addresses_known": { "ipv4": 61937, "ipv6": 0, "onion": 0, "i2p": 0, "cjdns": 0, "total": 61937 } } $ halving.sh 884409 ===================================== Bitcoin Block Halving prediction ===================================== bc=884409 gbt=1231006505 bbt=1739932779 This is average time to mine a block (1739932779-1231006505)/884409 bts=575.4415644327856989405366 Now let's multiply that by 1050000 which is the block number of next halving and get the prediction: Sat Feb 26 23:32:03 UTC 2028 ------------------------------------- Next palindrome will be 884488 predicted to happen at this time: Wed Feb 19 15:17:18 UTC 2025 ------------------------------------- Current mining epoch number is 438. The next fortnight happens in block 885024 and probably around this time: Sun Feb 23 04:57:55 UTC 2025 ### v2_peerinfo are in v2_peerinfo-bitcoin.txt $ bitcoin-cli getpeerinfo | grep -w 'v2' | uniq -c 13 "transport_protocol_type": "v2", $ bitcoin-cli getpeerinfo \ | jq -r '.[] | select ( .transport_protocol_type == "v2" ) | .addr + " " + .session_id' \ | while read addr sid do a=$(echo ${addr%\]*} | tr -d '\[' | md5sum | cut -b-16); printf "%s\n\t%s\n" "$a" "$sid" done 37c7f821c95ca7c7 bcc1181b947dbc3fdc898ea041c6c9b9ae9860d67e20b54edf2057e93027ec54 585b1df1ef44c35d 283dfbd87e294b6639a53006099991f2df3f9d15bc023d4e2e52fbe78829614b 71f33e7505dd9b6c 3ec7ee5d8cae99fa008d9758110ed7fa6f664f49824f2f1ff56777525bcdaac9 0b5d67c15d90ce16 c93e39649f96598a3d90ffee36f6eabc2d674b9e8c38adb990c50d2c370ed459 1c2f537049e35144 1b1deabb90772dc1a195f88ac8256c9015cbc68d6b5403c493a9b55385ba7005 a57fac9c29ae81bb 6a629ff7a0f6ec4b2ddea6482d4e5e1b38b3b09520ed49112417d2e9c3f17ffe b9b0dfc46822f73e dec4a9763f074f449f9b9a275948184ec70e95883e64e71c1a1cebbe3790759d 9614fb62b200d6a6 4325b016884338ff5f6973ddc5ed7d675c1e21efd7b12e0e67b4adfb9c41a30f 0eb32a5f829b669c 9ebea8f87eef616f6dcdf8bfc4e7414f3b11696fb7b205e78c0037a529a12a70 510625bb3d5a0955 f0129ecd7975dba3577b8693688f3e5ce3bbc57fa1ec766bfe4c55bb377ae335 2d07f93aae429551 19f2b9ef703d8a6ccbf16babefb72e6b792c518aa7765e36a8df1b0a7f2f0667 b9ac3628f57c8516 7056a95f5ec01e093792941a9e2191e276884cba813654b7b06c44b2827c0c54 6a0bf98d6faf671c 6800ffe7b47f55cf43c7f6a0cbb3a0447e1ef46b2afaba33fd091724c113ddff $ niceblack.sh $BH $BC ____ ____ __ __ ( __ )( __ )/ // / / __ / __ / // /_ / /_/ / /_/ /__ __/ \____/\____/ /_/ __ __ ____ ____ / // / / __ \/ __ \ / // /_/ / / / /_/ / /__ __/ /_/ /\__, / /_/ \____//____/ ,--- .123 4567 89ab cdef ---, | ABOVEisJUSTaSAMPLE^ | | .. .... .... .... .... .f | | 1. .... 9e6f 894a b85e 1f | | 2. ea78 5e6e 97ee cb3d 2f | | 3. .514 243. 32d9 cc71 3f | '=== ==== ==== ==== ==== ===' ak: 9832 95