# on receiving block 947221 here $ date -u '+%Y-%m-%dT%H:%M:%SZ' 2026-04-30T01:19:21Z # as written in the block header 2026-04-30T01:23:31Z $ uptime # since last reboot 01:19:21 up 41 days, 16:12, 0 users, load average: 1.94, 2.23, 2.46 $ battery.sh 156%, Power Supply Online $ uname -smnr Linux singer 6.18.2-0-lts x86_64 $ grep ^MemAvailable /proc/meminfo MemAvailable: 1523060 kB $ du -h -d1 .bitcoin/ 12.2G .bitcoin/indexes 4.4G .bitcoin/signet 2.7M .bitcoin/wallets 97.6G .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 434.4G 476.0G 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 947221 $ BH=$(bitcoin-cli getblockhash 947221); echo $BH 00000000000000000001b5970f90e5fd72c942350bbeeab209356ce35193513c $ bitcoin-cli getblockheader 00000000000000000001b5970f90e5fd72c942350bbeeab209356ce35193513c { "hash": "00000000000000000001b5970f90e5fd72c942350bbeeab209356ce35193513c", "confirmations": 1, "height": 947221, "version": 1073676288, "versionHex": "3fff0000", "merkleroot": "6073d73d376bc291e18abbe5093dd41ec756e1524d926551c38076b134f7904b", "time": 1777512211, "mediantime": 1777510030, "nonce": 3955443564, "bits": "17021369", "target": "0000000000000000000213690000000000000000000000000000000000000000", "difficulty": 135594876535256.6, "chainwork": "000000000000000000000000000000000000000123addeca81bd5e046f88eb44", "nTx": 2902, "previousblockhash": "000000000000000000016ff3e5c6f20af965f78fedcb4b775390ba9b1cc53396" } $ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - - .... .... .... .... ...1 b597 .f9. e5fd 72c9 4235 .bbe eab2 .935 6ce3 5193 513c $ : 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 947221 sf: ...1 .f9. .bbe .935 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 . 947221 sk: 513c 84 $ : 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 . 947221 ak: eb72 84 $ : Following is the jointkode 947221 jk: 513c eb72 84 ### niceblack moved to the end $ bitcoin-cli getmempoolinfo { "loaded": true, "size": 86327, "bytes": 39125318, "usage": 216533400, "total_fee": 0.06701940, "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 171 ## Current epoch estimation is -2.17% ## 1717 of 2016, i.e. 85%, 299 to go ## Current and previous two in numbers: $ bitcoin-cli getnetworkhashps 2016 9.492837922577887e+20 $ bitcoin-cli getnetworkhashps 2016 945503 9.704094538460986e+20 $ bitcoin-cli getnetworkhashps 2016 943487 9.942372658458654e+20 $ bitcoin-cli gettxoutsetinfo muhash { "height": 947221, "bestblock": "00000000000000000001b5970f90e5fd72c942350bbeeab209356ce35193513c", "txouts": 165488356, "bogosize": 12964242050, "muhash": "98fb8b5d527fe5d1e397a27d5fdda6b49c2d2790a13d2d5e8dc732c6494a8622", "total_amount": 20022338.65333072, "total_unspendable_amount": 230.09666928, "block_info": { "prevout_spent": 2085.86457089, "coinbase": 3.13668951, "new_outputs_ex_coinbase": 2085.85288138, "unspendable": 0.00000000, "unspendables": { "genesis_block": 0.00000000, "bip30": 0.00000000, "scripts": 0.00000000, "unclaimed_rewards": 0.00000000 } } } $ bitcoin-cli getblockstats 947221 { "avgfee": 402, "avgfeerate": 1, "avgtxsize": 990, "blockhash": "00000000000000000001b5970f90e5fd72c942350bbeeab209356ce35193513c", "feerate_percentiles": [ 0, 0, 0, 1, 2 ], "height": 947221, "ins": 3638, "maxfee": 75994, "maxfeerate": 207, "maxtxsize": 153278, "medianfee": 44, "mediantime": 1777510030, "mediantxsize": 208, "minfee": 43, "minfeerate": 0, "mintxsize": 150, "outs": 6435, "subsidy": 312500000, "swtotal_size": 2845901, "swtotal_weight": 3883172, "swtxs": 2806, "time": 1777512211, "total_out": 208585288138, "total_size": 2873104, "total_weight": 3991984, "totalfee": 1168951, "txs": 2902, "utxo_increase": 2797, "utxo_size_inc": 174923, "utxo_increase_actual": 778, "utxo_size_inc_actual": 57318 } $ bitcoin-cli getnettotals { "totalbytesrecv": 6746524750, "totalbytessent": 15187688791, "timemillis": 1777511962142, "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 15 1 16 out 11 0 11 3 total 26 1 27 Local services: witness, compact filters, network limited, p2p v2 Local addresses: n/a $ bitcoin-cli -addrinfo { "addresses_known": { "ipv4": 65844, "ipv6": 0, "onion": 0, "i2p": 0, "cjdns": 0, "total": 65844 } } $ halving.sh 947221 ===================================== Bitcoin Block Halving prediction ===================================== bc=947221 gbt=1231006505 bbt=1777512211 This is average time to mine a block (1777512211-1231006505)/947221 bts=576.9563059135028536077075 Now let's multiply that by 1050000 which is the block number of next halving and get the prediction: Thu Mar 16 09:20:03 UTC 2028 ------------------------------------- Next palindrome will be 947749 predicted to happen at this time: Sun May 3 14:00:43 UTC 2026 ------------------------------------- Current mining epoch number is 469. The next fortnight happens in block 947520 and probably around this time: Sat May 2 01:18:40 UTC 2026 ### v2_peerinfo are in v2_peerinfo-bitcoin.txt $ bitcoin-cli getpeerinfo | grep -w 'v2' | uniq -c 10 "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 493faac3367fbbe9 cdbcb30da1e5cf7a2c80a9fb01513ec9040522ba447eb55dd1b26bfc7e8c84a3 9c2ea4125ab2ab9b 88b1d6fe5aa87e69afcbf3e4d77986ac08da875391be5e708bef7aa01a6dd247 6c45e9be707772f3 af9828f25250e36cd627b6b2bffacdfe9f0d4627b800454aef520944e6bee57a b1b1befa1d3b2564 425b9eaf799c6c1a793f246c92ef0e53b2b5a2eb76ddccfb2a1303902414e9a6 4d206dbaa4a31f10 629173f93ec967fb8705e64c1d98efc837894953e575e42a893e4e2958828bd9 6998b3f5481468c5 f9b220abe524d7ac8d24a40be33126b77654fd234e286be3a034b691d1dd4d68 019228fdec44cfdf 285a1450974a07594b766c7ba7094327d6f0347d6167209c4577534573c6895e 43a1133e4f1b8f62 e30bf44358dd9a18bfd43c7ecf3ccb68e63c08bb47186aa1640db4c98a95df84 aa1cf97c10e00103 a75de911d439109862c1aa7c65b1f239a2aac3ceaeb81fb856cda5a120efc2d1 7900d4c5eb33f5c2 6237bfc9bd6e702a60318674f91b41c78a0816ab63e875bb16d4f420061e3f45 $ niceblack.sh $BH $BC __ __ __ / / / /__ ____/ /__ / _ \/ / _ \/ __/ '_/ /_.__/_/\___/\__/_/\_\ ___ ___________ ___ ___ / _ \/ / /_ /_ ||_ < / \_, /_ _// / __// __// / /___/ /_/ /_/____/____/_/ ,----- .123 4567 89ab cdef -----, | | | .. .... .... .... .... .f | | 1. ...1 b597 .f9. e5fd 1f | | 2. 72c9 4235 .bbe eab2 2f | | 3. .935 6ce3 5193 513c 3f | '=== ==== ==== ==== ==== ===' jk: 513c eb72 84