# on receiving block 943561 here $ date -u '+%Y-%m-%dT%H:%M:%SZ' 2026-04-03T22:21:50Z # as written in the block header 2026-04-03T22:21:26Z $ uptime # since last reboot 22:21:50 up 15 days, 13:14, 0 users, load average: 1.07, 1.00, 1.18 $ battery.sh 100%, Power Supply Online $ uname -smnr Linux singer 6.18.2-0-lts x86_64 $ grep ^MemAvailable /proc/meminfo MemAvailable: 2060684 kB $ du -h -d1 .bitcoin/ 12.1G .bitcoin/indexes 4.3G .bitcoin/signet 2.7M .bitcoin/wallets 97.6G .bitcoin/blocks 18.6M .bitcoin/regtest 10.6G .bitcoin/chainstate 124.8G .bitcoin/ $ df -h . Filesystem Size Used Available Use% Mounted on /dev/sda3 911.4G 433.1G 477.3G 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 943561 $ BH=$(bitcoin-cli getblockhash 943561); echo $BH 000000000000000000000342e0005d74563710ee546e9770e5d3d2f84a313e67 $ bitcoin-cli getblockheader 000000000000000000000342e0005d74563710ee546e9770e5d3d2f84a313e67 { "hash": "000000000000000000000342e0005d74563710ee546e9770e5d3d2f84a313e67", "confirmations": 1, "height": 943561, "version": 561037312, "versionHex": "2170c000", "merkleroot": "b95bcf4ea186eb7652838e9efbefd2e6af0043c330864e582fd563d64a7f5539", "time": 1775254886, "mediantime": 1775252567, "nonce": 3593021283, "bits": "17020684", "target": "0000000000000000000206840000000000000000000000000000000000000000", "difficulty": 138966872071213.2, "chainwork": "00000000000000000000000000000000000000011cb37289379af1788286a450", "nTx": 788, "previousblockhash": "00000000000000000000f61905e2ac14fca8720a926e125e64df3171d45032dc" } $ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - - .... .... .... .... .... .342 e... 5d74 5637 1.ee 546e 977. e5d3 d2f8 4a31 3e67 $ : 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 943561 sf: .342 e... 1.ee 977. M $ : 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 . 943561 sk: 3e67 75 $ : 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 . 943561 ak: 788c 75 $ : Following is the jointkode 943561 jk: 3e67 788c 75 ### niceblack moved to the end $ bitcoin-cli getmempoolinfo { "loaded": true, "size": 13271, "bytes": 15205947, "usage": 75909776, "total_fee": 0.01748054, "maxmempool": 300000000, "mempoolminfee": 0.00000100, "minrelaytxfee": 0.00000100, "incrementalrelayfee": 0.00000100, "unbroadcastcount": 1, "fullrbf": true, "permitbaremultisig": true, "maxdatacarriersize": 100000, "limitclustercount": 64, "limitclustersize": 101000, "optimal": true } $ gmm.sh 114 ## Current epoch estimation is -0.08% ## 73 of 2016, i.e. 3%, 1943 to go ## Current and previous two in numbers: $ bitcoin-cli getnetworkhashps 2016 9.933492770026189e+20 $ bitcoin-cli getnetworkhashps 2016 943487 9.942372658458654e+20 $ bitcoin-cli getnetworkhashps 2016 941471 9.575843405435805e+20 $ bitcoin-cli gettxoutsetinfo muhash { "height": 943561, "bestblock": "000000000000000000000342e0005d74563710ee546e9770e5d3d2f84a313e67", "txouts": 165145247, "bogosize": 12940167583, "muhash": "9b7f56a9401780fd1c250d860c4fe406a3e02b705272e3fc321a1b47dc2bb2d9", "total_amount": 20010901.15521462, "total_unspendable_amount": 230.09478538, "block_info": { "prevout_spent": 1921.96750344, "coinbase": 3.12841573, "new_outputs_ex_coinbase": 1921.96408771, "unspendable": 0.00000000, "unspendables": { "genesis_block": 0.00000000, "bip30": 0.00000000, "scripts": 0.00000000, "unclaimed_rewards": 0.00000000 } } } $ bitcoin-cli getblockstats 943561 { "avgfee": 434, "avgfeerate": 0, "avgtxsize": 3423, "blockhash": "000000000000000000000342e0005d74563710ee546e9770e5d3d2f84a313e67", "feerate_percentiles": [ 0, 0, 0, 0, 1 ], "height": 943561, "ins": 8792, "maxfee": 84442, "maxfeerate": 75, "maxtxsize": 263916, "medianfee": 18, "mediantime": 1775252567, "mediantxsize": 222, "minfee": 15, "minfeerate": 0, "mintxsize": 150, "outs": 1940, "subsidy": 312500000, "swtotal_size": 2686354, "swtotal_weight": 3962584, "swtxs": 756, "time": 1775254886, "total_out": 192196408771, "total_size": 2694662, "total_weight": 3995816, "totalfee": 341573, "txs": 788, "utxo_increase": -6852, "utxo_size_inc": -493309, "utxo_increase_actual": -7433, "utxo_size_inc_actual": -534811 } $ bitcoin-cli getnettotals { "totalbytesrecv": 2916183576, "totalbytessent": 6014842341, "timemillis": 1775254911170, "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 19 1 20 out 10 0 10 2 total 29 1 30 Local services: witness, compact filters, network limited, p2p v2 Local addresses: n/a $ bitcoin-cli -addrinfo { "addresses_known": { "ipv4": 62061, "ipv6": 0, "onion": 0, "i2p": 0, "cjdns": 0, "total": 62061 } } $ halving.sh 943561 ===================================== Bitcoin Block Halving prediction ===================================== bc=943561 gbt=1231006505 bbt=1775254886 This is average time to mine a block (1775254886-1231006505)/943561 bts=576.8019282251722727282361 Now let's multiply that by 1050000 which is the block number of next halving and get the prediction: Tue Mar 14 12:18:26 UTC 2028 ------------------------------------- Next palindrome will be 944449 predicted to happen at this time: Thu Apr 9 20:38:06 UTC 2026 ------------------------------------- Current mining epoch number is 468. The next fortnight happens in block 945504 and probably around this time: Thu Apr 16 21:40:12 UTC 2026 ### v2_peerinfo are in v2_peerinfo-bitcoin.txt $ bitcoin-cli getpeerinfo | grep -w 'v2' | uniq -c 14 "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 9e428a26ea4cf73a f1adb7a2ae179027c7d0ec417191f5922b82856cf31f683e8bb85443c3c7294e cdff5a742eef141a 84793916eb3773cec2e104afbe78fe32aaf01b91977bd010a3250b024eee140c 93109da52ab42c55 b0d96ab486ddd61c1afe8ca5f9c90f40a1bac36c666e268a0b3e99da24de3145 aa553ee8cea85fe0 dc95a76ee26addfed640e64fc8fd12c9d792238dd7a6d94bedf4cfd7796354bb 28fedca04b7887ac b0cfc453555c6174441b04b48773edd9e454227cd9ce8e3e2f4a4513fbaebd75 4fa380194c83be15 dbaea37e427a38914c2eb75b33a1907adad156ae750a00b761a79b9562e042d0 fbc25ca58b448a3a feeff75b471a9327441a0156714b8f7d4b4fe9038a772448ccf88843331f985d 7b41f29724e760d6 4793347a490488bff5482d29af8f2ce370f6c6ea054e45eeffe97a56cd157fac 1957d89a90d1886f e60144424987c961b9e8d1e05ec7026400946a8bee433ea851811401ce2f8eab cfe855ce8ca537e1 46dc23905ab0e89d5ea5fe14f882eb96cb68c1f0e28f96d6f267be68729cb9a0 793aa6b16f184fe2 288f399824371fc9616fd44a0026b47aa68c3b423c5d1569d4d8c16b69bec790 70f9810756febffa 3a153ed8349447a5da743446ad13c865bae998cbf5f000344aed20cfe8094296 93b71f6411eb04ad fe94faab396107b8279e3e59dc84da3046069161800b874e13e60632eb8a47d3 4a89496d1d8583ca 9ddf15d0c90ea68d0d93aa174d7f0ee52d3887e8d01b31af43ba9b12e000d125 $ niceblack.sh $BH $BC ___ _ _ ____ _____ __ __ / _ \| || ||___ \ | ____| / //_ | | (_) | || |_ __) | | |__ / /_ | | \__, |__ _|__ < |___ \| '_ \| | / / | | ___) | ___) | (_) | | /_/ |_||____/ |____/ \___/|_| ,----- .123 4567 89ab cdef -----, | | | .. .... .... .... .... .f | | 1. .... .342 e... 5d74 1f | | 2. 5637 1.ee 546e 977. 2f | | 3. e5d3 d2f8 4a31 3e67 3f | '=== ==== ==== ==== ==== ===' jk: 3e67 788c 75