# on receiving block 945516 here $ date -u '+%Y-%m-%dT%H:%M:%SZ' 2026-04-17T20:09:13Z # as written in the block header 2026-04-17T20:08:57Z $ uptime # since last reboot 20:09:13 up 29 days, 11:02, 0 users, load average: 1.47, 1.49, 1.65 $ battery.sh 100%, Power Supply Online $ uname -smnr Linux singer 6.18.2-0-lts x86_64 $ grep ^MemAvailable /proc/meminfo MemAvailable: 1875312 kB $ du -h -d1 .bitcoin/ 12.2G .bitcoin/indexes 4.4G .bitcoin/signet 2.7M .bitcoin/wallets 97.8G .bitcoin/blocks 18.6M .bitcoin/regtest 10.6G .bitcoin/chainstate 125.1G .bitcoin/ $ df -h . Filesystem Size Used Available Use% Mounted on /dev/sda3 911.4G 433.7G 476.7G 48% / $ bitcoind -version Bitcoin Core daemon version v31.0.0rc4 bitcoind Copyright (C) 2009-2026 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 945516 $ BH=$(bitcoin-cli getblockhash 945516); echo $BH 000000000000000000012dd4f80f46b9002fd816a97fb6fbacb354bb8fb48c67 $ bitcoin-cli getblockheader 000000000000000000012dd4f80f46b9002fd816a97fb6fbacb354bb8fb48c67 { "hash": "000000000000000000012dd4f80f46b9002fd816a97fb6fbacb354bb8fb48c67", "confirmations": 1, "height": 945516, "version": 537182208, "versionHex": "2004c000", "merkleroot": "40da0285c006056da606d618f83c10c7c08dbcc59ce0acb650788d725a7a6743", "time": 1776456537, "mediantime": 1776454450, "nonce": 1099498467, "bits": "17021369", "target": "0000000000000000000213690000000000000000000000000000000000000000", "difficulty": 135594876535256.6, "chainwork": "00000000000000000000000000000000000000012078822be32773f299a162ee", "nTx": 3016, "previousblockhash": "000000000000000000009b44da1a13635099b268b9a77ac09c8f25207f9517f9" } $ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - - .... .... .... .... ...1 2dd4 f8.f 46b9 ..2f d816 a97f b6fb acb3 54bb 8fb4 8c67 $ : 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 945516 sf: ...1 f8.f ..2f 8c67 $ : 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 . 945516 sk: 8c67 94 $ : 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 . 945516 ak: af.5 94 $ : Following is the jointkode 945516 jk: 8c67 af.5 94 ### niceblack moved to the end $ bitcoin-cli getmempoolinfo { "loaded": true, "size": 59745, "bytes": 32653501, "usage": 174147240, "total_fee": 0.04296325, "maxmempool": 300000000, "mempoolminfee": 0.00000100, "minrelaytxfee": 0.00000100, "incrementalrelayfee": 0.00000100, "unbroadcastcount": 0, "fullrbf": true, "permitbaremultisig": true, "maxdatacarriersize": 100000, "limitclustercount": 64, "limitclustersize": 101000, "optimal": true } $ gmm.sh 131 ## Current epoch estimation is +0.36% ## 12 of 2016, i.e. 0%, 2004 to go ## Current and previous two in numbers: $ bitcoin-cli getnetworkhashps 2016 9.739122125405697e+20 $ bitcoin-cli getnetworkhashps 2016 945503 9.704094538460986e+20 $ bitcoin-cli getnetworkhashps 2016 943487 9.942372658458654e+20 $ bitcoin-cli gettxoutsetinfo muhash { "height": 945516, "bestblock": "000000000000000000012dd4f80f46b9002fd816a97fb6fbacb354bb8fb48c67", "txouts": 165326372, "bogosize": 12952403470, "muhash": "250bb30b228d7a5c12f12c35e2071c3c2d69d4008669627a29fd5e64f03c3082", "total_amount": 20017010.52872696, "total_unspendable_amount": 230.09627304, "block_info": { "prevout_spent": 2453.88747587, "coinbase": 3.13652612, "new_outputs_ex_coinbase": 2453.87594731, "unspendable": 0.00000244, "unspendables": { "genesis_block": 0.00000000, "bip30": 0.00000000, "scripts": 0.00000244, "unclaimed_rewards": 0.00000000 } } } $ bitcoin-cli getblockstats 945516 { "avgfee": 382, "avgfeerate": 1, "avgtxsize": 614, "blockhash": "000000000000000000012dd4f80f46b9002fd816a97fb6fbacb354bb8fb48c67", "feerate_percentiles": [ 1, 1, 1, 1, 1 ], "height": 945516, "ins": 9104, "maxfee": 92989, "maxfeerate": 35, "maxtxsize": 202232, "medianfee": 153, "mediantime": 1776454450, "mediantxsize": 269, "minfee": 32, "minfeerate": 0, "mintxsize": 139, "outs": 6025, "subsidy": 312500000, "swtotal_size": 1728506, "swtotal_weight": 3494444, "swtxs": 2896, "time": 1776456537, "total_out": 245387594975, "total_size": 1852877, "total_weight": 3991928, "totalfee": 1152612, "txs": 3016, "utxo_increase": -3079, "utxo_size_inc": -221158, "utxo_increase_actual": -3161, "utxo_size_inc_actual": -228428 } $ bitcoin-cli getnettotals { "totalbytesrecv": 2672259491, "totalbytessent": 6280246302, "timemillis": 1776456553716, "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 v31.0.0rc4 - server 70016/Satoshi:31.0.0/ ipv4 npr total block in 27 1 28 out 10 0 10 2 total 37 1 38 Local services: witness, compact filters, network limited, p2p v2 Local addresses: n/a $ bitcoin-cli -addrinfo { "addresses_known": { "ipv4": 66684, "ipv6": 0, "onion": 0, "i2p": 0, "cjdns": 0, "total": 66684 } } $ halving.sh 945516 ===================================== Bitcoin Block Halving prediction ===================================== bc=945516 gbt=1231006505 bbt=1776456537 This is average time to mine a block (1776456537-1231006505)/945516 bts=576.8801957024569626987140 Now let's multiply that by 1050000 which is the block number of next halving and get the prediction: Wed Mar 15 11:08:07 UTC 2028 ------------------------------------- Next palindrome will be 945549 predicted to happen at this time: Sat Apr 18 01:26:14 UTC 2026 ------------------------------------- Current mining epoch number is 469. The next fortnight happens in block 947520 and probably around this time: Fri May 1 05:16:44 UTC 2026 ### v2_peerinfo are in v2_peerinfo-bitcoin.txt $ bitcoin-cli getpeerinfo | grep -w 'v2' | uniq -c 20 "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 f56a262282741ea8 4df63dc3c6ced6934e7e313d066ce2be54845ec57965f0fbbbe132913df3a290 755b9f5f93db7723 980b5373be7fa0da140ccfe912855a0dd8472c36f24cba24cb38c93ba67f7e6a 08e90a4e886cc004 b19ee80a24ad973d85ec6c250d333b553204b0f770aa8723c02903f8e7ef8f43 e2e3a8a9b66f66cc 59322e76b5e77ad210cfdddd2d249181a5c2f8b0190ac3d54ab12f933dc1b514 874ecb7e09c0d7ad 6200b6c82799730ff7cfb724410fe6dba6f2830ac6a3f6c8fa9b04e7ae924d2e b981533910ce48a3 ae45381732a48cee007c7de039143946fed374651851a22f6ba8dacaf0cf39da 102ab9eb2c54dc95 71d93f553cfa092d3efb195f4480571de4b900406a831880fda71f5f04161a90 6eebcb0b3f6aaadf 1580cd60cd863a012d5ac079453db185f9521c106ea7a900398fa3b7be1c13fa 269934913434b9e6 7cab983d42b6ef7e8437f5a3b0dad7b2689a730b92bce2900fda54c524061bb9 d5af3293cde8f897 724478cb113a3d5c7d0a8520d8f6ff57e2f6a8a844dae6f7a1975958546f4989 cf3bab726e1fad42 3ee26187dd1b6c1fba02b5874e6a672e6cc024f2c646061f70884455651d6d62 671bd6aee3730b72 59f9ee03009e7705817c32fed098564a0636875e0857a61d6ac9db9742ef1ca0 c218a8b2f8ca6a2f c5a3105ff664fda6887ee708947f8f36b390fb778e6f9c568686f64d38e5732c 962d80111d869bd2 cdc1d33633c61d2b97dfaaef0cbb508ad78af19feb7a7142e5db7f3e29d9a3bd e9836641806290cb 433cfe44095179c0988c813d45ff9e61abad76a3a77778289108a027c74dbeab cdd3a16921e82e46 d3b77011c3ead9791df3db27d0f29bc9a2facf667b8e7c9cea1cd783c514e41f 547c0251567675d9 2c7f24be4e2b5d04f1f9a02a8a66810d6fa6409179d7825e2554aa6cd9efeec9 12e9ebc4ee778433 a9c7d67a038f8f0a8980a1bbf81a1cafc084ff6855ebb65fd49dab548d6ec78d f587b378a600a25a c73c7c30d7e478b89efda200ba96e7dd8dc8617e6e1cb3b8b96f2205b0f01f5c 40c0d64e7185059a 1c5846bedd4db5de124ac6c1bad06c3d9f8c16907dfefc319759ce18703f0255 $ niceblack.sh $BH $BC _ _ _ | | | | | | | | | | __ __ | | |/ \_|/ / \_/ |/_) \_/ |__/\__/ \___/| \_/ __ ____ ____, __ / || | | | /| / \_/||__|_|___ |___ || __ | | \ \||/ \ | | \___/\___/| \__/ ,----- .123 4567 89ab cdef -----, | | | .. .... .... .... .... .f | | 1. ...1 2dd4 f8.f 46b9 1f | | 2. ..2f d816 a97f b6fb 2f | | 3. acb3 54bb 8fb4 8c67 3f | '=== ==== ==== ==== ==== ===' jk: 8c67 af.5 94