# on receiving block 286181 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-01-08T14:29:03Z
# as written in the block header
2026-01-08T14:29:00Z
$ uptime # since last reboot
14:29:03 up 148 days, 19 min, 0 users, load average: 1.71, 1.92, 1.81
$ battery.sh
48%, Power Supply Online
$ uname -smnr
Linux singer 6.12.40-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1975820 kB
$ du -h -d1 .bitcoin/signet
258M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
564M .bitcoin/signet/blocks
3.3G .bitcoin/signet/chainstate
4.1G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 833G 78G 92% /
$ bitcoind -version
Bitcoin Core daemon version v30.1.0 bitcoind
Copyright (C) 2009-2025 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
286181
$ BH=$(bitcoin-cli -signet getblockhash 286181); echo $BH
00000002162b803301d76b5c18912dfc89df4f6ea2f2eeada6d41e23d4fafd51
$ bitcoin-cli -signet getblockheader 00000002162b803301d76b5c18912dfc89df4f6ea2f2eeada6d41e23d4fafd51
{
"hash": "00000002162b803301d76b5c18912dfc89df4f6ea2f2eeada6d41e23d4fafd51",
"confirmations": 1,
"height": 286181,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "b128c7b1687e72ac3bb5156be25e5bd3849c91eef4e04c43912c347516e6cc06",
"time": 1767882540,
"mediantime": 1767879522,
"nonce": 16608532,
"bits": "1d1420d7",
"target": "0000001420d70000000000000000000000000000000000000000000000000000",
"difficulty": 0.04968058420455346,
"chainwork": "000000000000000000000000000000000000000000000000000009fccd286928",
"nTx": 36,
"previousblockhash": "0000000408a39574cd16c8fd3815384a2e28c64e87883d14517d2bfe64524875"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...2 162b 8.33
.1d7 6b5c 1891 2dfc
89df 4f6e a2f2 eead
a6d4 1e23 d4fa fd51
$ : 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
286181 sf: ...2 8.33 .1d7 fd51
$ : 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 .
286181 sk: fd51 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 .
286181 ak: d24e c1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 0,
"bytes": 0,
"usage": 64,
"total_fee": 0.00000000,
"maxmempool": 100000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 0,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000
}
$ gmm.sh
167
## Current epoch estimation is -5.82%
## 1925 of 2016, i.e. 95%, 91 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
334842.8074242682
$ bitcoin-cli -signet getnetworkhashps 2016 284255
355553.4870464702
$ bitcoin-cli -signet getnetworkhashps 2016 282239
338524.6784851121
$ bitcoin-cli -signet getblockstats 286181
{
"avgfee": 3733,
"avgfeerate": 5,
"avgtxsize": 804,
"blockhash": "00000002162b803301d76b5c18912dfc89df4f6ea2f2eeada6d41e23d4fafd51",
"feerate_percentiles": [
1,
2,
5,
5,
5
],
"height": 286181,
"ins": 72,
"maxfee": 84744,
"maxfeerate": 200,
"maxtxsize": 15250,
"medianfee": 342,
"mediantime": 1767879522,
"mediantxsize": 190,
"minfee": 187,
"minfeerate": 0,
"mintxsize": 190,
"outs": 554,
"subsidy": 2500000000,
"swtotal_size": 28171,
"swtotal_weight": 91219,
"swtxs": 35,
"time": 1767882540,
"total_out": 2679612971540,
"total_size": 28171,
"total_weight": 91219,
"totalfee": 130669,
"txs": 36,
"utxo_increase": 482,
"utxo_size_inc": 35053,
"utxo_increase_actual": 450,
"utxo_size_inc_actual": 32508
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 73372570,
"totalbytessent": 4525140200,
"timemillis": 1767882544990,
"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 v30.1.0 signet - server 70016/Satoshi:30.1.0/
ipv4 total block manual
in 11 11
out 12 12 3 1
total 23 23
Local services: witness, compact filters, network limited, p2p v2, libre
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1476,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1476
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
13 "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
8b550e26bc34647c
b55ed10aa2d11731431deb2afc06fecd3498adf728eb2afa88a7687bc13a4b7d
9550b66c9c9a91e5
1514d165296edd5c2949676c9e35d199920f9d1371feffd2e1dcfb1f45330cce
d60b0a0306f4a063
5bdc3912aa5565dcfcde464f6e1620ed190169764b189d3a64554d2bfe010e7a
a101beaee0a2a9f8
863e2f7135b46b0983ff65a3205dd6742491d8c692e12e553bf8d6da31a69a92
a9e407828463a7f3
f0c2012989d9ad771e96774b5c49f591120dd61e57a5bbac706f6f5f83d5d63a
1f159eebf69a0b6d
16bcf5a1ffe6976981f69b7f0b4139c9c58f8147b44ade26c9f6f702e43df05b
0ae667f1d173ac28
972522b21375c9d40771c6fd3f0b7977e30d02f27ff4c0f51341c7020beae170
7e7f7a0dd0055012
58a374e6d278225f6ac42cb349b34e67db3abbd7790051b10bcb60fe02e8dafe
f35dc9bdff0661a6
97bd35c038271610b7ad443ca94298939ed91feacd5a70eeb7a4080567674dd3
82b27e77426c9cf3
b8adc700e2f7bd94af620e790047a898abd78eac6059bdd83e37994090f187cf
30a0b05e423e8c31
230ca57683b8e1c4735e30f7d8f71e30743ea1c33e5470534c7fe74f544ea508
e27abb357252a427
945242ace81695283e5d3402d3b04364f852296f2cebb5e72c3c8a15a8dc2aa1
20a7c432a885e579
a7429447b6b08ebb9346ffe077d727172c85ae0b0977458222ab81e8c6cdd2cc
$ niceblack.sh $BH $BC
____ ___ __ _ ___ _
|___ \( _ ) / /_ / |( _ )/ |
__) / _ \| '_ \ | |/ _ \| |
/ __/ (_) | (_) | | | (_) | |
|_____\___/ \___/ |_|\___/|_|
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...2 162b 8.33 .f |
| 1. .1d7 6b5c 1891 2dfc 1f |
| 2. 89df 4f6e a2f2 eead 2f |
| 3. a6d4 1e23 d4fa fd51 3f |
'=== ==== ==== ==== ==== ==='
ak: d24e c1
................ ..............|.