# on receiving block 305440 here $ date -u '+%Y-%m-%dT%H:%M:%SZ' 2026-05-21T22:09:13Z # as written in the block header 2026-05-21T22:08:38Z $ uptime # since last reboot 22:09:13 up 63 days, 13:02, 0 users, load average: 1.54, 2.20, 1.79 $ battery.sh 159%, Power Supply Online $ uname -smnr Linux singer 6.18.2-0-lts x86_64 $ grep ^MemAvailable /proc/meminfo MemAvailable: 1507660 kB $ du -h -d1 .bitcoin/signet 297M .bitcoin/signet/indexes 21M .bitcoin/signet/wallets 522M .bitcoin/signet/blocks 3.7G .bitcoin/signet/chainstate 4.5G .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 305440 $ BH=$(bitcoin-cli -signet getblockhash 305440); echo $BH 00000009a86400b3563b8f4821195574e76ac1c5db61bcc005955ea58bfe96ef $ bitcoin-cli -signet getblockheader 00000009a86400b3563b8f4821195574e76ac1c5db61bcc005955ea58bfe96ef { "hash": "00000009a86400b3563b8f4821195574e76ac1c5db61bcc005955ea58bfe96ef", "confirmations": 1, "height": 305440, "version": 536870912, "versionHex": "20000000", "merkleroot": "8709cdaa03f014d4976adb2ec44ff6163c2cddfac8d6991c0cc73779d37295f5", "time": 1779401318, "mediantime": 1779400411, "nonce": 284074784, "bits": "1d15102a", "target": "00000015102a0000000000000000000000000000000000000000000000000000", "difficulty": 0.04747557581386184, "chainwork": "00000000000000000000000000000000000000000000000000000d8d9d699764", "nTx": 48, "previousblockhash": "0000000bbc8cf949b587f28c5b40fb23a0c6ad2f07cf9695297ce93c292804f1" } $ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - - .... ...9 a864 ..b3 563b 8f48 2119 5574 e76a c1c5 db61 bcc. .595 5ea5 8bfe 96ef $ : 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 305440 sf: ...9 ..b3 bcc. .595 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 . 305440 sk: 96ef b1 $ : 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 . 305440 ak: .2ef b1 $ : Following is the jointkode 305440 jk: 96ef .2ef b1 ### niceblack moved to the end $ bitcoin-cli -signet getmempoolinfo { "loaded": true, "size": 6, "bytes": 1142, "usage": 42144, "total_fee": 0.00001470, "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 250 ## Current epoch estimation is +1.92% ## 1024 of 2016, i.e. 50%, 992 to go ## Current and previous two in numbers: $ bitcoin-cli -signet getnetworkhashps 2016 346105.1523961016 $ bitcoin-cli -signet getnetworkhashps 2016 304415 339567.6604445974 $ bitcoin-cli -signet getnetworkhashps 2016 302399 342474.190435588 $ bitcoin-cli -signet getblockstats 305440 { "avgfee": 230950, "avgfeerate": 955, "avgtxsize": 328, "blockhash": "00000009a86400b3563b8f4821195574e76ac1c5db61bcc005955ea58bfe96ef", "feerate_percentiles": [ 0, 0, 0, 1, 4 ], "height": 305440, "ins": 70, "maxfee": 10810688, "maxfeerate": 65321, "maxtxsize": 3089, "medianfee": 14, "mediantime": 1779400411, "mediantxsize": 191, "minfee": 14, "minfeerate": 0, "mintxsize": 190, "outs": 139, "subsidy": 2500000000, "swtotal_size": 15233, "swtotal_weight": 44537, "swtxs": 46, "time": 1779401318, "total_out": 3082771087026, "total_size": 15457, "total_weight": 45433, "totalfee": 10854661, "txs": 48, "utxo_increase": 69, "utxo_size_inc": 6858, "utxo_increase_actual": 30, "utxo_size_inc_actual": 2556 } $ bitcoin-cli -signet getnettotals { "totalbytesrecv": 394149386, "totalbytessent": 10037871483, "timemillis": 1779401353651, "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 4 4 out 11 11 2 1 total 15 15 Local services: witness, compact filters, network limited, p2p v2 Local addresses: n/a $ bitcoin-cli -signet -addrinfo { "addresses_known": { "ipv4": 1112, "ipv6": 0, "onion": 0, "i2p": 0, "cjdns": 0, "total": 1112 } } ### v2_peerinfo are in v2_peerinfo-signet.txt $ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c 12 "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 82b27e77426c9cf3 29a6f4ac6aa43f08af35547819922f5e967641a9d65a94b494c82ac26a695a07 39235a0b1d5527e7 95922c68c22a20fed80df23cd85406c5a305e424c854cbb07950ad67f3190702 a9e407828463a7f3 fda7c5b3505bee36b3a9c66e49ccadaa96d5e2dfc7c3d2f019a54ee4c3bdeba5 c2df4db43254cb32 dca64f72c53dc18778ffb7cdd3dcad00519b68f53dab670373ab683c43de0ae1 6314f8c19fd3f1fc a787db2d728fe91dc7a58a44c1654f94bcf49fdb219f80d6ffc69a6cfc3c3274 58cf5f4588d41478 7bf7615f24ef55828c98274187a3a29a26c06cc14ac18b693737ad59a0fb05d8 1be57ab10ba0682c 2e7a5cfacffd322fde6ba6dd6a7460bb55d99cda26883b8be36df302a0034eeb 82fab7a90cabd40c cc447826dbdd34a76324acf6c0f6abcce95a3ef3bd9a410520828303709b8651 1b223199413e44c3 e69d68281ac73a3c888eabde7e492e2916778acace73bc294cc774c447872155 563b8894485c6787 7727fcfa14ca9b0be638f5d0a50fcaea847be7ac54f5cddd9c794609712e57e4 84ec145dd309a0af 636daac2724b598123f00ba233883e8beb44a26e5904638f23487a0bcd5c749a f3367d6752fbb126 63a888478434373d773c200615820142394bf0c3fc6d813769ecf82601b9c87d $ niceblack.sh $BH $BC __ __ __ / / / /__ ____/ /__ / _ \/ / _ \/ __/ '_/ /_.__/_/\___/\__/_/\_\ ____ ___ ____ ____ ____ ___ |_ // _ \/ __// / // / // _ \ _/_