# on receiving block 943608 here $ date -u '+%Y-%m-%dT%H:%M:%SZ' 2026-04-04T08:21:32Z # as written in the block header 2026-04-04T08:21:12Z $ uptime # since last reboot 08:21:32 up 15 days, 23:14, 0 users, load average: 1.99, 1.84, 1.81 $ battery.sh 100%, Power Supply Online $ uname -smnr Linux singer 6.18.2-0-lts x86_64 $ grep ^MemAvailable /proc/meminfo MemAvailable: 2102432 kB $ du -h -d1 .bitcoin/ 12.1G .bitcoin/indexes 4.3G .bitcoin/signet 2.7M .bitcoin/wallets 97.7G .bitcoin/blocks 18.6M .bitcoin/regtest 10.6G .bitcoin/chainstate 124.9G .bitcoin/ $ df -h . Filesystem Size Used Available Use% Mounted on /dev/sda3 911.4G 433.2G 477.2G 48% / $ bitcoind -version Bitcoin Core daemon version v31.0rc2 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 943608 $ BH=$(bitcoin-cli getblockhash 943608); echo $BH 00000000000000000000f15cf310fdee379f77657868efe0626d1b31af1b0ab3 $ bitcoin-cli getblockheader 00000000000000000000f15cf310fdee379f77657868efe0626d1b31af1b0ab3 { "hash": "00000000000000000000f15cf310fdee379f77657868efe0626d1b31af1b0ab3", "confirmations": 1, "height": 943608, "version": 539254784, "versionHex": "20246000", "merkleroot": "80a4de601cf8bcfd88c709595eb9aa742b941747894424a0e36908cc14d777f1", "time": 1775290872, "mediantime": 1775287792, "nonce": 4005465449, "bits": "17020684", "target": "0000000000000000000206840000000000000000000000000000000000000000", "difficulty": 138966872071213.2, "chainwork": "00000000000000000000000000000000000000011ccaa6f07f23e54e248ccc28", "nTx": 2556, "previousblockhash": "00000000000000000001776c86fb0b2b663d92cfc2a5d828b2a33ba0463158c5" } $ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - - .... .... .... .... .... f15c f31. fdee 379f 7765 7868 efe. 626d 1b31 af1b .ab3 $ : 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 943608 sf: f31. efe. .ab3 $ : 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 . 943608 sk: .ab3 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 . 943608 ak: f424 85 $ : Following is the jointkode 943608 jk: 0ab3 f424 85 ### niceblack moved to the end $ bitcoin-cli getmempoolinfo { "loaded": true, "size": 12601, "bytes": 12988826, "usage": 69318056, "total_fee": 0.01465665, "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 112 ## Current epoch estimation is -1% ## 120 of 2016, i.e. 5%, 1896 to go ## Current and previous two in numbers: $ bitcoin-cli getnetworkhashps 2016 9.842943824386829e+20 $ bitcoin-cli getnetworkhashps 2016 943487 9.942372658458654e+20 $ bitcoin-cli getnetworkhashps 2016 941471 9.575843405435805e+20 $ bitcoin-cli gettxoutsetinfo muhash { "height": 943608, "bestblock": "00000000000000000000f15cf310fdee379f77657868efe0626d1b31af1b0ab3", "txouts": 165152440, "bogosize": 12940686528, "muhash": "160b197d1c1b4640769997a99de8403b07f2b4d91e67aaeb480cb66ba6d94543", "total_amount": 20011048.03021435, "total_unspendable_amount": 230.09478565, "block_info": { "prevout_spent": 648.76100636, "coinbase": 3.13057462, "new_outputs_ex_coinbase": 648.75543174, "unspendable": 0.00000000, "unspendables": { "genesis_block": 0.00000000, "bip30": 0.00000000, "scripts": 0.00000000, "unclaimed_rewards": 0.00000000 } } } $ bitcoin-cli getblockstats 943608 { "avgfee": 218, "avgfeerate": 0, "avgtxsize": 1086, "blockhash": "00000000000000000000f15cf310fdee379f77657868efe0626d1b31af1b0ab3", "feerate_percentiles": [ 0, 0, 0, 0, 1 ], "height": 943608, "ins": 4404, "maxfee": 33056, "maxfeerate": 116, "maxtxsize": 263916, "medianfee": 18, "mediantime": 1775287792, "mediantxsize": 222, "minfee": 16, "minfeerate": 0, "mintxsize": 150, "outs": 5182, "subsidy": 312500000, "swtotal_size": 2733867, "swtotal_weight": 3824358, "swtxs": 2522, "time": 1775290872, "total_out": 64875543174, "total_size": 2776751, "total_weight": 3995894, "totalfee": 557462, "txs": 2556, "utxo_increase": 778, "utxo_size_inc": 53063, "utxo_increase_actual": -1311, "utxo_size_inc_actual": -96185 } $ bitcoin-cli getnettotals { "totalbytesrecv": 3031214767, "totalbytessent": 6299377044, "timemillis": 1775290893256, "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 v31.0rc2 - server 70016/Satoshi:31.0.0/ ipv4 npr total block in 20 1 21 out 10 0 10 2 total 30 1 31 Local services: witness, compact filters, network limited, p2p v2 Local addresses: n/a $ bitcoin-cli -addrinfo { "addresses_known": { "ipv4": 62086, "ipv6": 0, "onion": 0, "i2p": 0, "cjdns": 0, "total": 62086 } } $ halving.sh 943608 ===================================== Bitcoin Block Halving prediction ===================================== bc=943608 gbt=1231006505 bbt=1775290872 This is average time to mine a block (1775290872-1231006505)/943608 bts=576.8113349915060157332115 Now let's multiply that by 1050000 which is the block number of next halving and get the prediction: Tue Mar 14 15:03:03 UTC 2028 ------------------------------------- Next palindrome will be 944449 predicted to happen at this time: Thu Apr 9 23:06:10 UTC 2026 ------------------------------------- Current mining epoch number is 468. The next fortnight happens in block 945504 and probably around this time: Fri Apr 17 00:08:26 UTC 2026 ### v2_peerinfo are in v2_peerinfo-bitcoin.txt $ bitcoin-cli getpeerinfo | grep -w 'v2' | uniq -c 15 "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 cdff5a742eef141a 84793916eb3773cec2e104afbe78fe32aaf01b91977bd010a3250b024eee140c 93109da52ab42c55 b0d96ab486ddd61c1afe8ca5f9c90f40a1bac36c666e268a0b3e99da24de3145 aa553ee8cea85fe0 dc95a76ee26addfed640e64fc8fd12c9d792238dd7a6d94bedf4cfd7796354bb 28fedca04b7887ac b0cfc453555c6174441b04b48773edd9e454227cd9ce8e3e2f4a4513fbaebd75 4fa380194c83be15 dbaea37e427a38914c2eb75b33a1907adad156ae750a00b761a79b9562e042d0 fbc25ca58b448a3a feeff75b471a9327441a0156714b8f7d4b4fe9038a772448ccf88843331f985d 7b41f29724e760d6 4793347a490488bff5482d29af8f2ce370f6c6ea054e45eeffe97a56cd157fac 1957d89a90d1886f e60144424987c961b9e8d1e05ec7026400946a8bee433ea851811401ce2f8eab cfe855ce8ca537e1 46dc23905ab0e89d5ea5fe14f882eb96cb68c1f0e28f96d6f267be68729cb9a0 793aa6b16f184fe2 288f399824371fc9616fd44a0026b47aa68c3b423c5d1569d4d8c16b69bec790 93b71f6411eb04ad fe94faab396107b8279e3e59dc84da3046069161800b874e13e60632eb8a47d3 4a89496d1d8583ca 9ddf15d0c90ea68d0d93aa174d7f0ee52d3887e8d01b31af43ba9b12e000d125 05fd879efdf20907 820a7cbb146d008a921c4b4a4a1e59ff2626c4180aec04597917b3d41d2dfb3c 35d8a65137e44da6 30b00d7dcc9d4ebc91aa599d9c753e39f73e5ebda30b38b9303e11ad3ca61464 de15e35668571c91 d61c4b03b3757c60025fa9004585f6b0b1299ec492fb8d10d0515e497c0af32e $ niceblack.sh $BH $BC _ _ _ | | | | | | | | | | __ __ | | |/ \_|/ / \_/ |/_) \_/ |__/\__/ \___/| \_/ __ ___ __ __ __ / || |/ \ / / \ / \ \_/||__|_ __/| __ | |\__/ | | \|/ \| |/ \ | |\___/ \__/ \__/ \__/ ,----- .123 4567 89ab cdef -----, | | | .. .... .... .... .... .f | | 1. .... f15c f31. fdee 1f | | 2. 379f 7765 7868 efe. 2f | | 3. 626d 1b31 af1b .ab3 3f | '=== ==== ==== ==== ==== ===' jk: .ab3 f424 85