# on receiving block 305181 here $ date -u '+%Y-%m-%dT%H:%M:%SZ' 2026-05-20T07:15:37Z # as written in the block header 2026-05-20T07:15:32Z $ uptime # since last reboot 07:15:37 up 61 days, 22:08, 0 users, load average: 2.21, 2.81, 2.64 $ battery.sh 163%, Power Supply Online $ uname -smnr Linux singer 6.18.2-0-lts x86_64 $ grep ^MemAvailable /proc/meminfo MemAvailable: 1477000 kB $ du -h -d1 .bitcoin/signet 297M .bitcoin/signet/indexes 21M .bitcoin/signet/wallets 504M .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 305181 $ BH=$(bitcoin-cli -signet getblockhash 305181); echo $BH 0000000d21ef3f2e4f50f6b0c2614dc894ddbb23d3f7aeca14f887d6f2c59bc3 $ bitcoin-cli -signet getblockheader 0000000d21ef3f2e4f50f6b0c2614dc894ddbb23d3f7aeca14f887d6f2c59bc3 { "hash": "0000000d21ef3f2e4f50f6b0c2614dc894ddbb23d3f7aeca14f887d6f2c59bc3", "confirmations": 1, "height": 305181, "version": 536870912, "versionHex": "20000000", "merkleroot": "350bfdacf234ff53194c1817fe8380d9c11044af3ae390ebbb2ad49c9f7449c1", "time": 1779261332, "mediantime": 1779257962, "nonce": 40088775, "bits": "1d15102a", "target": "00000015102a0000000000000000000000000000000000000000000000000000", "difficulty": 0.04747557581386184, "chainwork": "00000000000000000000000000000000000000000000000000000d81518b3af8", "nTx": 167, "previousblockhash": "000000128a1ec78a01f39fa8e420eaf14322043839c736e5d49b7ff8d0514060" } $ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - - .... ...d 21ef 3f2e 4f5. f6b. c261 4dc8 94dd bb23 d3f7 aeca 14f8 87d6 f2c5 9bc3 $ : 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 305181 sf: ...d 4f5. f6b. 9bc3 $ : 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 . 305181 sk: 9bc3 c1 $ : 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 . 305181 ak: 8.6e c1 $ : Following is the jointkode 305181 jk: 9bc3 8.6e c1 ### niceblack moved to the end $ bitcoin-cli -signet getmempoolinfo { "loaded": true, "size": 2, "bytes": 307, "usage": 33200, "total_fee": 0.00001305, "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 161 ## Current epoch estimation is -0.11% ## 765 of 2016, i.e. 37%, 1251 to go ## Current and previous two in numbers: $ bitcoin-cli -signet getnetworkhashps 2016 339170.1273339621 $ bitcoin-cli -signet getnetworkhashps 2016 304415 339567.6604445974 $ bitcoin-cli -signet getnetworkhashps 2016 302399 342474.190435588 $ bitcoin-cli -signet getblockstats 305181 { "avgfee": 7501, "avgfeerate": 29, "avgtxsize": 335, "blockhash": "0000000d21ef3f2e4f50f6b0c2614dc894ddbb23d3f7aeca14f887d6f2c59bc3", "feerate_percentiles": [ 0, 1, 1, 2, 5 ], "height": 305181, "ins": 208, "maxfee": 1152638, "maxfeerate": 6964, "maxtxsize": 12733, "medianfee": 154, "mediantime": 1779257962, "mediantxsize": 205, "minfee": 14, "minfeerate": 0, "mintxsize": 142, "outs": 641, "subsidy": 2500000000, "swtotal_size": 54339, "swtotal_weight": 163011, "swtxs": 161, "time": 1779261332, "total_out": 3087448325054, "total_size": 55672, "total_weight": 168343, "totalfee": 1245312, "txs": 167, "utxo_increase": 433, "utxo_size_inc": 36337, "utxo_increase_actual": 394, "utxo_size_inc_actual": 32114 } $ bitcoin-cli -signet getnettotals { "totalbytesrecv": 359134843, "totalbytessent": 9353015398, "timemillis": 1779261338406, "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": 1131, "ipv6": 0, "onion": 0, "i2p": 0, "cjdns": 0, "total": 1131 } } ### v2_peerinfo are in v2_peerinfo-signet.txt $ bitcoin-cli -signet 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 82b27e77426c9cf3 29a6f4ac6aa43f08af35547819922f5e967641a9d65a94b494c82ac26a695a07 39235a0b1d5527e7 95922c68c22a20fed80df23cd85406c5a305e424c854cbb07950ad67f3190702 a9e407828463a7f3 fda7c5b3505bee36b3a9c66e49ccadaa96d5e2dfc7c3d2f019a54ee4c3bdeba5 c2df4db43254cb32 dca64f72c53dc18778ffb7cdd3dcad00519b68f53dab670373ab683c43de0ae1 6314f8c19fd3f1fc a787db2d728fe91dc7a58a44c1654f94bcf49fdb219f80d6ffc69a6cfc3c3274 58cf5f4588d41478 7bf7615f24ef55828c98274187a3a29a26c06cc14ac18b693737ad59a0fb05d8 1be57ab10ba0682c 2e7a5cfacffd322fde6ba6dd6a7460bb55d99cda26883b8be36df302a0034eeb 82fab7a90cabd40c cc447826dbdd34a76324acf6c0f6abcce95a3ef3bd9a410520828303709b8651 1b223199413e44c3 e69d68281ac73a3c888eabde7e492e2916778acace73bc294cc774c447872155 563b8894485c6787 7727fcfa14ca9b0be638f5d0a50fcaea847be7ac54f5cddd9c794609712e57e4 $ niceblack.sh $BH $BC ##### ### ####### # # # # # # # # # ##### # # ###### # # # # # # # # # # ##### ### ##### # ##### # ## # # ## # # # # # # # ##### # # # # # ##### ##### ##### ,----- .123 4567 89ab cdef -----, | | | .. .... ...d 21ef 3f2e .f | | 1. 4f5. f6b. c261 4dc8 1f | | 2. 94dd bb23 d3f7 aeca 2f | | 3. 14f8 87d6 f2c5 9bc3 3f | '=== ==== ==== ==== ==== ===' jk: 9bc3 8.6e c1