# on receiving block 300090 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-04-14T19:15:29Z
# as written in the block header
2026-04-14T19:14:33Z
$ uptime # since last reboot
19:15:29 up 26 days, 10:08, 0 users, load average: 0.84, 1.26, 1.30
$ battery.sh
100%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 2141624 kB
$ du -h -d1 .bitcoin/signet
288M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
521M .bitcoin/signet/blocks
3.6G .bitcoin/signet/chainstate
4.4G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 434G 477G 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
300090
$ BH=$(bitcoin-cli -signet getblockhash 300090); echo $BH
00000000f91d27bc0ab4ccd950074935d67f99d1ac2b1c3901301373b9f6757c
$ bitcoin-cli -signet getblockheader 00000000f91d27bc0ab4ccd950074935d67f99d1ac2b1c3901301373b9f6757c
{
"hash": "00000000f91d27bc0ab4ccd950074935d67f99d1ac2b1c3901301373b9f6757c",
"confirmations": 1,
"height": 300090,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "1e0a0dcd8bef279c729cf5e4c70bac50e9d6bc099ce8158a7b1e80d400d8b941",
"time": 1776194073,
"mediantime": 1776190228,
"nonce": 450769927,
"bits": "1d1543df",
"target": "0000001543df0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04702464282152162,
"chainwork": "00000000000000000000000000000000000000000000000000000c8d08803aa0",
"nTx": 90,
"previousblockhash": "0000000531e42d6373baece5c4bb9703891ea0ea58c6e254523023f7da7bea97"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... .... f91d 27bc
.ab4 ccd9 5..7 4935
d67f 99d1 ac2b 1c39
.13. 1373 b9f6 757c
$ : 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
300090 sf: .ab4 5..7 .13. 757c
$ : 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 .
300090 sk: 757c b2
$ : 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 .
300090 ak: 2.8b b2
$ : Following is the jointkode
300090 jk: 757c 2.8b b2
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 3,
"bytes": 685,
"usage": 10248,
"total_fee": 0.00001069,
"maxmempool": 100000000,
"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
133
## Current epoch estimation is +3.54%
## 1722 of 2016, i.e. 85%, 294 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
348394.9183512297
$ bitcoin-cli -signet getnetworkhashps 2016 298367
336459.3161092782
$ bitcoin-cli -signet getnetworkhashps 2016 296351
334019.4023418721
$ bitcoin-cli -signet getblockstats 300090
{
"avgfee": 1670,
"avgfeerate": 3,
"avgtxsize": 837,
"blockhash": "00000000f91d27bc0ab4ccd950074935d67f99d1ac2b1c3901301373b9f6757c",
"feerate_percentiles": [
1,
1,
1,
4,
4
],
"height": 300090,
"ins": 334,
"maxfee": 52095,
"maxfeerate": 136,
"maxtxsize": 11782,
"medianfee": 389,
"mediantime": 1776190228,
"mediantxsize": 382,
"minfee": 94,
"minfeerate": 0,
"mintxsize": 142,
"outs": 700,
"subsidy": 2500000000,
"swtotal_size": 74402,
"swtotal_weight": 190013,
"swtxs": 88,
"time": 1776194073,
"total_out": 2988487128691,
"total_size": 74544,
"total_weight": 190581,
"totalfee": 148688,
"txs": 90,
"utxo_increase": 366,
"utxo_size_inc": 27980,
"utxo_increase_actual": 329,
"utxo_size_inc_actual": 25188
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 51365982,
"totalbytessent": 1562408942,
"timemillis": 1776194129681,
"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 13 13
out 11 11 2 1
total 24 24
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1662,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1662
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
18 "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
b07a85f145b99acc9d4d5ba59a2394ddbc2df0b83b426721cebb5809000afa72
a4dda9c03849be5c
c5a1daa7652fa19adb03d5c6e5ae8770d2ddae65d4afffba1207bea9c37a8817
9550b66c9c9a91e5
15425ea4f148d1507f3c09828f04964ce1573056b00cff5e45d48e2c7331418d
4c5cd41e91d07bde
ed12296075c9fc334c40627e4b77cd75d7a00165817f120a5dac29bbb017febb
6f13f8eeb1cbbceb
ed754c6c755136e17083b79a61dee8984ff46f1f1dd50a03acee9a1d9a128d4f
38bf311b23e78a53
b1b8b20f3d5fd3a4644d7cd3a6d292be44e1752be93d5b05e534f168a9a3b465
f78ac7a6ec9d7800
a5162e07985a0ad6082d26cc8ce21edc09c1e7445b73b2731e6ae647a73e846d
c783c4b8210e776c
e5c71cc4d392f685f6cc0e62dcbb60f789a793827824eaa8f534b2a8aaa2eec3
54f960a8ec22498c
7a546d3938695e02ab89bbe9b688ee446a7fd1c0f0468de956ee5d1a4ca6e803
79023e8e9209d829
890fae466433cae4fefcb4b809ccdceb78830bd145dfcfa26a5acfac06990271
9d144ef2a896d595
ba99014d0534063312bbb3294c9cd2962803ccdd050c0950a000ef5d10f79c45
4bd0e690b84f54fb
8cbb1388d70e72167be82deb12da9b7af2db33b4b4f2668a745d901ed60bc9f3
e0a1523ddb382120
052cc24f039f8f9b666871f4ce488b38a626303857953f968dc64f8d1aaf7500
50cfc5ec128d7b8f
244a1f8e4591185b31e1e429c30688b6c3bf13d124caf5c4884371914bc711dc
8f9de49df116234f
1bff33825e9f6ed6d5af2e64d7ffedf4227815ea4d9e0992a7c11281974509e1
6507fde479d33139
3cb19a5191413033d5ff2740cfb34af88b42d355f9a12a759c303aff63b1aaac
ac8171c3ca36f325
e56f433a205761627ff62904868529e664f15f3aef60ef9eeb60609ce9f3dca8
7d20696c007e0ce3
81d621d1e66d3bbec93e90e06017cbc5f300f61381281b6bf586fceff20bde78
$ niceblack.sh $BH $BC
_ _ _
| | | | | |
| | | | __ __ | |
|/ \_|/ / \_/ |/_)
\_/ |__/\__/ \___/| \_/
___ __ __ __ __ __
/ \ / \ / \ / \ / | / \
__/| || || |\_/|| |
\| || || | || |
\___/ \__/ \__/ \__/ | \__/
,----- .123 4567 89ab cdef -----,
| |
| .. .... .... f91d 27bc .f |
| 1. .ab4 ccd9 5..7 4935 1f |
| 2. d67f 99d1 ac2b 1c39 2f |
| 3. .13. 1373 b9f6 757c 3f |
'=== ==== ==== ==== ==== ==='
jk: 757c 2.8b b2