# on receiving block 309491 here $ date -u '+%Y-%m-%dT%H:%M:%SZ' 2026-06-19T08:10:49Z # as written in the block header 2026-06-19T08:10:16Z $ uptime # since last reboot 08:10:49 up 91 days, 23:03, 0 users, load average: 1.49, 1.80, 2.03 $ battery.sh 157%, Power Supply Online $ uname -smnr Linux singer 6.18.2-0-lts x86_64 $ grep ^MemAvailable /proc/meminfo MemAvailable: 1201272 kB $ du -h -d1 .bitcoin/signet 305M .bitcoin/signet/indexes 21M .bitcoin/signet/wallets 535M .bitcoin/signet/blocks 3.8G .bitcoin/signet/chainstate 4.7G .bitcoin/signet $ df -h . Filesystem Size Used Avail Use% Mounted on /dev/sda3 912G 435G 476G 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 -signet getblockcount); echo $BC 309491 $ BH=$(bitcoin-cli -signet getblockhash 309491); echo $BH 000000020d74db4e73f46dfe0aafaa308c11921bab2f09546c10be97c555b06b $ bitcoin-cli -signet getblockheader 000000020d74db4e73f46dfe0aafaa308c11921bab2f09546c10be97c555b06b { "hash": "000000020d74db4e73f46dfe0aafaa308c11921bab2f09546c10be97c555b06b", "confirmations": 1, "height": 309491, "version": 536870912, "versionHex": "20000000", "merkleroot": "69e552587e6594bfc63850abf9114d8dadc9d665554684eaa34468af2dc395b1", "time": 1781856616, "mediantime": 1781852167, "nonce": 263589804, "bits": "1d146a04", "target": "000000146a040000000000000000000000000000000000000000000000000000", "difficulty": 0.04898494610796347, "chainwork": "00000000000000000000000000000000000000000000000000000e51d467484c", "nTx": 44, "previousblockhash": "0000000b5cb7823d645b1d2b0a26b6c2f9f32b63877a4274b066349b6757c899" } $ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - - .... ...2 .d74 db4e 73f4 6dfe .aaf aa3. 8c11 921b ab2f .954 6c1. be97 c555 b.6b $ : 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 309491 sf: ...2 .d74 .aaf aa3. 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 . 309491 sk: b.6b 81 $ : 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 . 309491 ak: 7365 81 $ : Following is the jointkode 309491 jk: b06b 7365 81 ### niceblack moved to the end $ bitcoin-cli -signet getmempoolinfo { "loaded": true, "size": 7, "bytes": 1861, "usage": 94536, "total_fee": 0.00983555, "maxmempool": 300000000, "mempoolminfee": 0.00000100, "minrelaytxfee": 0.00000100, "incrementalrelayfee": 0.00000100, "unbroadcastcount": 1, "fullrbf": true, "permitbaremultisig": true, "maxdatacarriersize": 100000, "limitclustercount": 25, "limitclustersize": 101000, "optimal": true } $ gmm.sh 213 ## Current epoch estimation is -1.15% ## 1043 of 2016, i.e. 51%, 973 to go ## Current and previous two in numbers: $ bitcoin-cli -signet getnetworkhashps 2016 346508.6294417576 $ bitcoin-cli -signet getnetworkhashps 2016 308447 350573.0694396333 $ bitcoin-cli -signet getnetworkhashps 2016 306431 347971.3775737199 $ bitcoin-cli -signet getblockstats 309491 { "avgfee": 20005, "avgfeerate": 38, "avgtxsize": 643, "blockhash": "000000020d74db4e73f46dfe0aafaa308c11921bab2f09546c10be97c555b06b", "feerate_percentiles": [ 0, 0, 0, 0, 2 ], "height": 309491, "ins": 53, "maxfee": 770364, "maxfeerate": 4654, "maxtxsize": 14637, "medianfee": 14, "mediantime": 1781852167, "mediantxsize": 191, "minfee": 14, "minfeerate": 0, "mintxsize": 118, "outs": 489, "subsidy": 2500000000, "swtotal_size": 27533, "swtotal_weight": 89291, "swtxs": 42, "time": 1781856616, "total_out": 3101291809752, "total_size": 27651, "total_weight": 89763, "totalfee": 860253, "txs": 44, "utxo_increase": 436, "utxo_size_inc": 33999, "utxo_increase_actual": 397, "utxo_size_inc_actual": 29808 } $ bitcoin-cli -signet getnettotals { "totalbytesrecv": 979939364, "totalbytessent": 28583234235, "timemillis": 1781856650178, "uploadtarget": { "timeframe": 86400, "target": 0, "target_reached": false, "serve_historical_blocks": true, "bytes_left_in_cycle": 0, "time_left_in_cycle": 0 } } $ bitcoin-cli -signet -netinfo Bitcoin Core client v31.0.0rc4 signet - server 70016/Satoshi:31.0.0/ ipv4 total block manual in 5 5 out 11 11 2 1 total 16 16 Local services: witness, compact filters, network limited, p2p v2 Local addresses: n/a $ bitcoin-cli -signet -addrinfo { "addresses_known": { "ipv4": 1039, "ipv6": 0, "onion": 0, "i2p": 0, "cjdns": 0, "total": 1039 } } ### v2_peerinfo are in v2_peerinfo-signet.txt $ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c 13 "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 7d27257fcc87eff6 c72f9ccdc4f2fe6827871bbcdb3d87728dd8135438801b55cc9938b44e002bca a9e407828463a7f3 8723d91baabc6c128df59d5dcfcad63c2d9c50d4cb7041af38b38cfec837ce18 82b27e77426c9cf3 e234f196dc6cac756b95e1f09ad32ab8e2e096915b467639f696835045e78e06 02ce84759fdbc1f1 d4e964fe2f38bc6dfa17fefb887ded2510568c38b1f09dca89a7bd4bd541ee69 a4dda9c03849be5c 396733a2381b1a5ba696d6b796031f65e341b1784cdb174731fc53c20fca528e ccac5f3d92a6d821 083741d149c9fa20eff0ffe1582cda192dff5327f4bc78185371d04457e03fcd ef33457b76d2201b 92892ec21489e49ae656277936b513539a4cc4b7049736231e1280c0f9916b62 d26dc11e642083e6 4888249f39cdb833771fad3380faed358d7541214788464a3e0e3d24f7d520f7 509e8cf1d81d4e1b ffbb8c187b8d2bfb4277fa0f391270bc73a5b8d78186d4e2ab78c8fdcd010795 2ce2bef7160cebb4 8277b6d6d333cbb1ee2e60bdc85b42e5587a470c1f869fc3362d561c6ffe5efe b70f5f18268c0e18 4abc9732163b88246db52377e551b1eb8a4c07d479ee352e47ae693568f47477 45ed3cc4b3ee424c 52b66382a34d361e1f3865c2652084690abd287bef4f75860e286aa727fd12cb 073863b4569202fb 58cdcb77c92e34a277f8fc5b318662653042aac2b13d84e4e85bad6b287a384c $ niceblack.sh $BH $BC _____ ___ ___ _ _ ___ _ |___ / / _ \ / _ \ | || | / _ \/ | |_ \| | | | (_) | | || || (_) | | ___) | |_| |\__, | |__ _\__, | | |____/ \___/ /_/ |_| /_/|_| ,----- .123 4567 89ab cdef -----, | | | .. .... ...2 .d74 db4e .f | | 1. 73f4 6dfe .aaf aa3. 1f | | 2. 8c11 921b ab2f .954 2f | | 3. 6c1. be97 c555 b.6b 3f | '=== ==== ==== ==== ==== ===' jk: b.6b 7365 81