# on receiving block 884880 here $ date -u '+%Y-%m-%dT%H:%M:%SZ' 2025-02-22T17:17:03Z # as written in the block header 2025-02-22T17:16:46Z $ uptime # since last reboot 17:17:03 up 20 days, 4:56, 0 users, load average: 0.52, 0.61, 0.78 $ battery.sh 95%, Power Supply Online $ uname -smnr Linux singer 6.6.37-0-lts x86_64 $ grep ^MemAvailable /proc/meminfo MemAvailable: 987384 kB $ du -h -d1 .bitcoin/ 1.1G .bitcoin/testnet4 10.9G .bitcoin/indexes 1.5G .bitcoin/signet 6.6M .bitcoin/wallets 97.7G .bitcoin/blocks 11.5G .bitcoin/chainstate 122.9G .bitcoin/ $ df -h . Filesystem Size Used Available Use% Mounted on /dev/sda3 911.4G 832.8G 77.6G 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 884880 $ BH=$(bitcoin-cli getblockhash 884880); echo $BH 000000000000000000009e394aebf0ee278fcf6c0c67a6a93b6a6873039a56bd $ bitcoin-cli getblockheader 000000000000000000009e394aebf0ee278fcf6c0c67a6a93b6a6873039a56bd { "hash": "000000000000000000009e394aebf0ee278fcf6c0c67a6a93b6a6873039a56bd", "confirmations": 1, "height": 884880, "version": 671088640, "versionHex": "28000000", "merkleroot": "e7939dac774377212dae042d81aaccd7c34ade7e80f66a1b0f7cefff2c9cef6e", "time": 1740244606, "mediantime": 1740241197, "nonce": 2479354190, "bits": "17027726", "difficulty": 114167270716407.6, "chainwork": "0000000000000000000000000000000000000000affc424cf3db437ad3f8a12a", "nTx": 3836, "previousblockhash": "000000000000000000019e78476511a16c60815bb595f97a88a46558be8a0b0b" } $ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - - .... .... .... .... .... 9e39 4aeb f.ee 278f cf6c .c67 a6a9 3b6a 6873 .39a 56bd $ : 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 884880 sf: f.ee .c67 .39a 56bd $ : 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 . 884880 sk: 56bd 85 $ : 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 . 884880 ak: 6.2f 85 ### niceblack moved to the end $ bitcoin-cli getmempoolinfo { "loaded": true, "size": 70962, "bytes": 63629821, "usage": 378720960, "total_fee": 0.91568483, "maxmempool": 500000000, "mempoolminfee": 0.00001000, "minrelaytxfee": 0.00001000, "incrementalrelayfee": 0.00001000, "unbroadcastcount": 0, "fullrbf": true } $ gmm.sh 1438 ## Current epoch estimation is -2.49% ## 1872 of 2016, i.e. 92%, 144 to go ## Current and previous two in numbers: $ bitcoin-cli getnetworkhashps 2016 7.968151480079506e+20 $ bitcoin-cli getnetworkhashps 2016 883007 8.171059232651056e+20 $ bitcoin-cli getnetworkhashps 2016 880991 7.735413493438086e+20 $ bitcoin-cli gettxoutsetinfo muhash { "height": 884880, "bestblock": "000000000000000000009e394aebf0ee278fcf6c0c67a6a93b6a6873039a56bd", "txouts": 178139351, "bogosize": 13899237830, "muhash": "17b60cb3d2e3cba9980b26a9f639cd2acde18b88705f9e65642940e9f41d8516", "total_amount": 19827532.34100021, "total_unspendable_amount": 220.78399979, "block_info": { "prevout_spent": 13951.17660182, "coinbase": 3.19552305, "new_outputs_ex_coinbase": 13951.10602877, "unspendable": 0.00005000, "unspendables": { "genesis_block": 0.00000000, "bip30": 0.00000000, "scripts": 0.00005000, "unclaimed_rewards": 0.00000000 } } } $ bitcoin-cli getblockstats 884880 { "avgfee": 1838, "avgfeerate": 7, "avgtxsize": 398, "blockhash": "000000000000000000009e394aebf0ee278fcf6c0c67a6a93b6a6873039a56bd", "feerate_percentiles": [ 3, 4, 5, 6, 10 ], "height": 884880, "ins": 6614, "maxfee": 133432, "maxfeerate": 402, "maxtxsize": 18419, "medianfee": 972, "mediantime": 1740241197, "mediantxsize": 225, "minfee": 220, "minfeerate": 1, "mintxsize": 150, "outs": 13077, "subsidy": 312500000, "swtotal_size": 1411796, "swtotal_weight": 3523940, "swtxs": 3421, "time": 1740244606, "total_out": 1395110607877, "total_size": 1528738, "total_weight": 3991708, "totalfee": 7052305, "txs": 3836, "utxo_increase": 6463, "utxo_size_inc": 479520, "utxo_increase_actual": 6336, "utxo_size_inc_actual": 466518 } $ bitcoin-cli getnettotals { "totalbytesrecv": 10235137324, "totalbytessent": 18402461844, "timemillis": 1740244623959, "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 31 2 33 out 11 0 11 2 1 total 42 2 44 Local addresses: n/a $ bitcoin-cli -addrinfo { "addresses_known": { "ipv4": 61541, "ipv6": 0, "onion": 0, "i2p": 0, "cjdns": 0, "total": 61541 } } $ halving.sh 884880 ===================================== Bitcoin Block Halving prediction ===================================== bc=884880 gbt=1231006505 bbt=1740244606 This is average time to mine a block (1740244606-1231006505)/884880 bts=575.4876655731109606828488 Now let's multiply that by 1050000 which is the block number of next halving and get the prediction: Sun Feb 27 12:58:49 UTC 2028 ------------------------------------- Next palindrome will be 885588 predicted to happen at this time: Thu Feb 27 10:27:31 UTC 2025 ------------------------------------- Current mining epoch number is 438. The next fortnight happens in block 885024 and probably around this time: Sun Feb 23 16:17:56 UTC 2025 ### v2_peerinfo are in v2_peerinfo-bitcoin.txt $ bitcoin-cli getpeerinfo | grep -w 'v2' | uniq -c 8 "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 ae86567bbf607bde 5dc1501b03dfab1628f17c055ebb25bc0fe3ccd6c4abecfa7a0d1130e59a7546 ac6041e79c618f0a e2e6c9ca15fcd5cfb6b3309f00318dc4f674ebf4bbb11eba794875e1a9a6df2d 426f50900be85d66 fc6935c3270dc6608db73db0edfce4982c0be2989cf4ca3b65fbbc156cbb5b81 8a22962041e588ff 5ae6ded0d8a0419a8cd341d05a56ce1f4d830fa2195135153b0d7c0b8027f622 8e57e42a793c5a67 0ab4249965d59454178636562b8039e4d2c632eab6074d1fa7467b329cd8d43c 11dae2d22f92c075 fcb0f027f7905d62c80a03fb4f4b49fa867a49606fcbb4060a037b31b6fe848e 877a14ee9f972501 ed189647fbc24f2c8efc73a259505901ba515005eba8285956cabe57789dc48b $ niceblack.sh $BH $BC ##### ##### # # # # # # # ##### ##### # # # # # # ####### # # # # # ##### ##### # ##### ##### ### # # # # # # # # # # # # ##### ##### # # # # # # # # # # # # # # ##### ##### ### ,----- .123 4567 89ab cdef -----, | ^THATlineISaSAMPLE^ | | .. .... .... .... .... .f | | 1. .... 9e39 4aeb f.ee 1f | | 2. 278f cf6c .c67 a6a9 2f | | 3. 3b6a 6873 .39a 56bd 3f | '=== ==== ==== ==== ==== ===' ak: 6.2f 85