# on receiving block 305287 here $ date -u '+%Y-%m-%dT%H:%M:%SZ' 2026-05-21T00:24:29Z # as written in the block header 2026-05-21T00:24:12Z $ uptime # since last reboot 00:24:29 up 62 days, 15:17, 0 users, load average: 1.99, 1.11, 1.16 $ battery.sh 163%, Power Supply Online $ uname -smnr Linux singer 6.18.2-0-lts x86_64 $ grep ^MemAvailable /proc/meminfo MemAvailable: 1498672 kB $ du -h -d1 .bitcoin/signet 297M .bitcoin/signet/indexes 21M .bitcoin/signet/wallets 505M .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 305287 $ BH=$(bitcoin-cli -signet getblockhash 305287); echo $BH 00000009a09b4e831a07b769b4df5b5b4cb21f07efee625698cf7c5654d22e7c $ bitcoin-cli -signet getblockheader 00000009a09b4e831a07b769b4df5b5b4cb21f07efee625698cf7c5654d22e7c { "hash": "00000009a09b4e831a07b769b4df5b5b4cb21f07efee625698cf7c5654d22e7c", "confirmations": 1, "height": 305287, "version": 536870912, "versionHex": "20000000", "merkleroot": "e6938a04aeb8cceb20fdb31b9fbf5055d0add16b66ba2ea56487856ba5552ecf", "time": 1779323052, "mediantime": 1779318316, "nonce": 44782206, "bits": "1d15102a", "target": "00000015102a0000000000000000000000000000000000000000000000000000", "difficulty": 0.04747557581386184, "chainwork": "00000000000000000000000000000000000000000000000000000d8659dc59e0", "nTx": 5, "previousblockhash": "000000025abe6aff193fbc7a62ce937b36f37dce5fd67361e3a802190ddaecc1" } $ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - - .... ...9 a.9b 4e83 1a.7 b769 b4df 5b5b 4cb2 1f.7 efee 6256 98cf 7c56 54d2 2e7c $ : 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 305287 sf: ...9 a.9b 1a.7 1f.7 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 . 305287 sk: 2e7c 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 . 305287 ak: ecc1 b1 $ : Following is the jointkode 305287 jk: 2e7c ecc1 b1 ### niceblack moved to the end $ bitcoin-cli -signet getmempoolinfo { "loaded": true, "size": 3, "bytes": 100372, "usage": 135992, "total_fee": 0.07806743, "maxmempool": 300000000, "mempoolminfee": 0.00000100, "minrelaytxfee": 0.00000100, "incrementalrelayfee": 0.00000100, "unbroadcastcount": 0, "fullrbf": true, "permitbaremultisig": true, "maxdatacarriersize": 100000, "limitclustercount": 25, "limitclustersize": 101000, "optimal": true } $ gmm.sh 287 ## Current epoch estimation is +0.87% ## 871 of 2016, i.e. 43%, 1145 to go ## Current and previous two in numbers: $ bitcoin-cli -signet getnetworkhashps 2016 342542.7886496448 $ bitcoin-cli -signet getnetworkhashps 2016 304415 339567.6604445974 $ bitcoin-cli -signet getnetworkhashps 2016 302399 342474.190435588 $ bitcoin-cli -signet getblockstats 305287 { "avgfee": 10477, "avgfeerate": 3, "avgtxsize": 13382, "blockhash": "00000009a09b4e831a07b769b4df5b5b4cb21f07efee625698cf7c5654d22e7c", "feerate_percentiles": [ 3, 3, 3, 3, 3 ], "height": 305287, "ins": 5, "maxfee": 39879, "maxfeerate": 6, "maxtxsize": 52649, "medianfee": 916, "mediantime": 1779318316, "mediantxsize": 323, "minfee": 199, "minfeerate": 0, "mintxsize": 235, "outs": 11, "subsidy": 2500000000, "swtotal_size": 53530, "swtotal_weight": 55105, "swtxs": 4, "time": 1779323052, "total_out": 3250569, "total_size": 53530, "total_weight": 55105, "totalfee": 41910, "txs": 5, "utxo_increase": 6, "utxo_size_inc": 518, "utxo_increase_actual": 4, "utxo_size_inc_actual": 288 } $ bitcoin-cli -signet getnettotals { "totalbytesrecv": 376065232, "totalbytessent": 9656109922, "timemillis": 1779323070245, "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": 1140, "ipv6": 0, "onion": 0, "i2p": 0, "cjdns": 0, "total": 1140 } } ### 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 __ __ __ / / / /__ ____/ /__ / _ \/ / _ \/ __/ '_/ /_.__/_/\___/\__/_/\_\ ____ ___ ____ ___ ___ ____ |_ // _ \/ __/|_ |( _ )_ / _/_