# on receiving block 309645 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-06-20T11:41:35Z
# as written in the block header
2026-06-20T11:41:18Z
$ uptime # since last reboot
11:41:35 up 93 days, 2:34, 0 users, load average: 2.17, 2.62, 2.51
$ battery.sh
163%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1230792 kB
$ du -h -d1 .bitcoin/signet
305M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
551M .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
309645
$ BH=$(bitcoin-cli -signet getblockhash 309645); echo $BH
0000000e3527828595ba2385f4eb3490a0047ac2293b028cd1a03568f10c7349
$ bitcoin-cli -signet getblockheader 0000000e3527828595ba2385f4eb3490a0047ac2293b028cd1a03568f10c7349
{
"hash": "0000000e3527828595ba2385f4eb3490a0047ac2293b028cd1a03568f10c7349",
"confirmations": 1,
"height": 309645,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "8d4fadf512774f7f5c0e08b1217332dd6b45e28ecb4a0bf5f76b846f64b6b9e1",
"time": 1781955678,
"mediantime": 1781952961,
"nonce": 132911813,
"bits": "1d146a04",
"target": "000000146a040000000000000000000000000000000000000000000000000000",
"difficulty": 0.04898494610796347,
"chainwork": "00000000000000000000000000000000000000000000000000000e595f9d8c52",
"nTx": 99,
"previousblockhash": "000000106a4bfa84253031cf666e62673e1e0a5070ec018322216949b9b76885"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...e 3527 8285
95ba 2385 f4eb 349.
a..4 7ac2 293b .28c
d1a. 3568 f1.c 7349
$ : 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
309645 sf: ...e 349. a..4 .28c 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 .
309645 sk: 7349 91
$ : 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 .
309645 ak: 5614 91
$ : Following is the jointkode
309645 jk: 7349 5614 91
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 2,
"bytes": 350,
"usage": 86592,
"total_fee": 0.00000793,
"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
241
## Current epoch estimation is -0.77%
## 1197 of 2016, i.e. 59%, 819 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
347854.1606351703
$ bitcoin-cli -signet getnetworkhashps 2016 308447
350573.0694396333
$ bitcoin-cli -signet getnetworkhashps 2016 306431
347971.3775737199
$ bitcoin-cli -signet getblockstats 309645
{
"avgfee": 7396,
"avgfeerate": 13,
"avgtxsize": 630,
"blockhash": "0000000e3527828595ba2385f4eb3490a0047ac2293b028cd1a03568f10c7349",
"feerate_percentiles": [
1,
1,
1,
1,
1
],
"height": 309645,
"ins": 112,
"maxfee": 592506,
"maxfeerate": 3580,
"maxtxsize": 37196,
"medianfee": 154,
"mediantime": 1781952961,
"mediantxsize": 205,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 1118,
"subsidy": 2500000000,
"swtotal_size": 61659,
"swtotal_weight": 214833,
"swtxs": 97,
"time": 1781955678,
"total_out": 2993364822801,
"total_size": 61801,
"total_weight": 215401,
"totalfee": 724902,
"txs": 99,
"utxo_increase": 1006,
"utxo_size_inc": 82407,
"utxo_increase_actual": 968,
"utxo_size_inc_actual": 78276
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 1003804476,
"totalbytessent": 29372852115,
"timemillis": 1781955695935,
"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": 1059,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1059
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
11 "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
a9e407828463a7f3
8723d91baabc6c128df59d5dcfcad63c2d9c50d4cb7041af38b38cfec837ce18
82b27e77426c9cf3
e234f196dc6cac756b95e1f09ad32ab8e2e096915b467639f696835045e78e06
02ce84759fdbc1f1
d4e964fe2f38bc6dfa17fefb887ded2510568c38b1f09dca89a7bd4bd541ee69
a4dda9c03849be5c
396733a2381b1a5ba696d6b796031f65e341b1784cdb174731fc53c20fca528e
ef33457b76d2201b
92892ec21489e49ae656277936b513539a4cc4b7049736231e1280c0f9916b62
d26dc11e642083e6
4888249f39cdb833771fad3380faed358d7541214788464a3e0e3d24f7d520f7
509e8cf1d81d4e1b
ffbb8c187b8d2bfb4277fa0f391270bc73a5b8d78186d4e2ab78c8fdcd010795
2ce2bef7160cebb4
8277b6d6d333cbb1ee2e60bdc85b42e5587a470c1f869fc3362d561c6ffe5efe
b70f5f18268c0e18
4abc9732163b88246db52377e551b1eb8a4c07d479ee352e47ae693568f47477
4e8c7b7107b6dbfc
18e8b037e57cfc357e21bd21c3daede541e9eca3666a6253040e46e43df6153a
d01db75518b29c67
68352435938b15e1e73b0136edccbd1db0417ec45d64635b72df7a9b08f9e3a0
$ niceblack.sh $BH $BC
##### ### #####
# # # # # #
# # # # #
##### # # ######
# # # #
# # # # # #
##### ### #####
##### # #######
# # # # #
# # # #
###### # # ######
# # ####### #
# # # # #
##### # #####
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...e 3527 8285 .f |
| 1. 95ba 2385 f4eb 349. 1f |
| 2. a..4 7ac2 293b .28c 2f |
| 3. d1a. 3568 f1.c 7349 3f |
'=== ==== ==== ==== ==== ==='
jk: 7349 5614 91