# on receiving block 309193 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-06-17T02:38:14Z
# as written in the block header
2026-06-17T02:37:05Z
$ uptime # since last reboot
02:38:14 up 89 days, 17:31, 0 users, load average: 2.30, 2.10, 2.43
$ battery.sh
163%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1223520 kB
$ du -h -d1 .bitcoin/signet
304M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
517M .bitcoin/signet/blocks
3.8G .bitcoin/signet/chainstate
4.6G .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
309193
$ BH=$(bitcoin-cli -signet getblockhash 309193); echo $BH
000000031eadd87a0eab33b2674221c8c5c944754439995b6ef7bdaee69d6737
$ bitcoin-cli -signet getblockheader 000000031eadd87a0eab33b2674221c8c5c944754439995b6ef7bdaee69d6737
{
"hash": "000000031eadd87a0eab33b2674221c8c5c944754439995b6ef7bdaee69d6737",
"confirmations": 1,
"height": 309193,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "a5eee0ed514f8204509b76c96f1bd8cfdb39bf4e337c79226fb41d1fb10c6721",
"time": 1781663825,
"mediantime": 1781659902,
"nonce": 563069943,
"bits": "1d146a04",
"target": "000000146a040000000000000000000000000000000000000000000000000000",
"difficulty": 0.04898494610796347,
"chainwork": "00000000000000000000000000000000000000000000000000000e433b6203d6",
"nTx": 60,
"previousblockhash": "0000001251b39c518f57169b9d62bec0879e6f88f02e45307bbb93c3fa21b4bf"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...3 1ead d87a
.eab 33b2 6742 21c8
c5c9 4475 4439 995b
6ef7 bdae e69d 6737
$ : 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
309193 sf: ...3 .eab 6737
$ : 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 .
309193 sk: 6737 d1
$ : 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 .
309193 ak: b36a d1
$ : Following is the jointkode
309193 jk: 6737 b36a d1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 4,
"bytes": 892,
"usage": 83816,
"total_fee": 0.00055195,
"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
248
## Current epoch estimation is -0.43%
## 745 of 2016, i.e. 36%, 1271 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
349042.7914865331
$ bitcoin-cli -signet getnetworkhashps 2016 308447
350573.0694396333
$ bitcoin-cli -signet getnetworkhashps 2016 306431
347971.3775737199
$ bitcoin-cli -signet getblockstats 309193
{
"avgfee": 29858,
"avgfeerate": 19,
"avgtxsize": 1620,
"blockhash": "000000031eadd87a0eab33b2674221c8c5c944754439995b6ef7bdaee69d6737",
"feerate_percentiles": [
2,
3,
3,
3,
3
],
"height": 309193,
"ins": 82,
"maxfee": 1103639,
"maxfeerate": 6668,
"maxtxsize": 77567,
"medianfee": 271,
"mediantime": 1781659902,
"mediantxsize": 205,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 2353,
"subsidy": 2500000000,
"swtotal_size": 95467,
"swtotal_weight": 357784,
"swtxs": 58,
"time": 1781663825,
"total_out": 2884991631798,
"total_size": 95609,
"total_weight": 358352,
"totalfee": 1761640,
"txs": 60,
"utxo_increase": 2271,
"utxo_size_inc": 173659,
"utxo_increase_actual": 2233,
"utxo_size_inc_actual": 170749
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 931143329,
"totalbytessent": 26658973002,
"timemillis": 1781663895679,
"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 3 3
out 11 11 2 1
total 14 14
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1100,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1100
}
}
### 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
7d27257fcc87eff6
c72f9ccdc4f2fe6827871bbcdb3d87728dd8135438801b55cc9938b44e002bca
a9e407828463a7f3
8723d91baabc6c128df59d5dcfcad63c2d9c50d4cb7041af38b38cfec837ce18
82b27e77426c9cf3
e234f196dc6cac756b95e1f09ad32ab8e2e096915b467639f696835045e78e06
02ce84759fdbc1f1
d4e964fe2f38bc6dfa17fefb887ded2510568c38b1f09dca89a7bd4bd541ee69
a4dda9c03849be5c
396733a2381b1a5ba696d6b796031f65e341b1784cdb174731fc53c20fca528e
ccac5f3d92a6d821
083741d149c9fa20eff0ffe1582cda192dff5327f4bc78185371d04457e03fcd
ef33457b76d2201b
92892ec21489e49ae656277936b513539a4cc4b7049736231e1280c0f9916b62
d26dc11e642083e6
4888249f39cdb833771fad3380faed358d7541214788464a3e0e3d24f7d520f7
509e8cf1d81d4e1b
ffbb8c187b8d2bfb4277fa0f391270bc73a5b8d78186d4e2ab78c8fdcd010795
2ce2bef7160cebb4
8277b6d6d333cbb1ee2e60bdc85b42e5587a470c1f869fc3362d561c6ffe5efe
88e6da0e0d218c5b
e5ea89415c002cb4fe22ee628b90894c8a587bfc1a5ca17ba71246e3b38be758
58cf5f4588d41478
b823189d1b03e45a20e5be34ae43cd7fee9482b39a80028ccb37ce8c49d303ab
$ niceblack.sh $BH $BC
__ __ __
/ / / /__ ____/ /__
/ _ \/ / _ \/ __/ '_/
/_.__/_/\___/\__/_/\_\
____ ___ ___ ______ ____
|_ // _ \/ _ < / _ \|_ /
_/_