# on receiving block 291057 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-02-11T08:51:35Z
# as written in the block header
2026-02-11T08:51:10Z
$ uptime # since last reboot
08:51:35 up 14 days, 20:17, 0 users, load average: 0.61, 1.10, 1.39
$ battery.sh
100%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 2040940 kB
$ du -h -d1 .bitcoin/signet
271M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
521M .bitcoin/signet/blocks
3.3G .bitcoin/signet/chainstate
4.2G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 434G 478G 48% /
$ 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
291057
$ BH=$(bitcoin-cli -signet getblockhash 291057); echo $BH
0000000d916792f503e0ffdb2707a983b031cf6cc878fc4de991edd9f30d1a39
$ bitcoin-cli -signet getblockheader 0000000d916792f503e0ffdb2707a983b031cf6cc878fc4de991edd9f30d1a39
{
"hash": "0000000d916792f503e0ffdb2707a983b031cf6cc878fc4de991edd9f30d1a39",
"confirmations": 1,
"height": 291057,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "524ed95952dc6b3a81812737c1db6e015c6348681fa3fe518cd0fce65d7e0657",
"time": 1770799870,
"mediantime": 1770797533,
"nonce": 198599228,
"bits": "1d14fd7a",
"target": "00000014fd7a0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04764068304243208,
"chainwork": "00000000000000000000000000000000000000000000000000000ae178d7d782",
"nTx": 49,
"previousblockhash": "0000000640a78d3ea976773b34c69c93902729b7a23a1744258a43ff36716cf0"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...d 9167 92f5
.3e. ffdb 27.7 a983
b.31 cf6c c878 fc4d
e991 edd9 f3.d 1a39
$ : 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
291057 sf: ...d .3e. 27.7 b.31 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 .
291057 sk: 1a39 a1
$ : 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 .
291057 ak: d734 a1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 2,
"bytes": 294,
"usage": 2416,
"total_fee": 0.00000447,
"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 -1.24%
## 753 of 2016, i.e. 37%, 1263 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
336340.1126626095
$ bitcoin-cli -signet getnetworkhashps 2016 290303
340597.2606954165
$ bitcoin-cli -signet getnetworkhashps 2016 288287
333005.7574254622
$ bitcoin-cli -signet getblockstats 291057
{
"avgfee": 1991,
"avgfeerate": 5,
"avgtxsize": 476,
"blockhash": "0000000d916792f503e0ffdb2707a983b031cf6cc878fc4de991edd9f30d1a39",
"feerate_percentiles": [
2,
2,
3,
3,
5
],
"height": 291057,
"ins": 56,
"maxfee": 39444,
"maxfeerate": 200,
"maxtxsize": 11651,
"medianfee": 345,
"mediantime": 1770797533,
"mediantxsize": 190,
"minfee": 141,
"minfeerate": 0,
"mintxsize": 188,
"outs": 454,
"subsidy": 2500000000,
"swtotal_size": 22850,
"swtotal_weight": 75716,
"swtxs": 48,
"time": 1770799870,
"total_out": 2935204295189,
"total_size": 22850,
"total_weight": 75716,
"totalfee": 95591,
"txs": 49,
"utxo_increase": 398,
"utxo_size_inc": 29249,
"utxo_increase_actual": 372,
"utxo_size_inc_actual": 27336
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 11576750,
"totalbytessent": 708212407,
"timemillis": 1770799896523,
"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 npr total block manual
in 5 1 6
out 11 0 11 2 1
total 16 1 17
Local services: witness, compact filters, network limited, p2p v2, libre
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1611,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1611
}
}
### 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
82b27e77426c9cf3
9c0334f0034838d8dad8091e0a7ed22b6c7d47131989334b8c9d71ee0b54ab36
2422645f1d448cf3
a2e31bfc0c84b8e01ae12661bd0cd300f8dd99ea947bbbf3170aaf66294b05ba
6193d2ef0a369fbd
9954501af83ff0b93ad7e622e4b96330fb10d398d88f824c0442ebb3f268ced6
7b4566df59a7b36f
e4aefa983e83e6ecdba028a437f616ed0c294477172abdcf7867208ba3f911a0
a101beaee0a2a9f8
3fc065e3e8442ece9a38eefcdd688c2758df6290063161102c2ef00b36cf569a
efc846ec47160038
7a7822c1aa672b9c52b2207f62dfa443f1768d260c2b261813c07c17f376c0b7
42d6b7498898cae5
18e44216851590d81a00fa97dadcf648e695897f3a137b67663e7f0826d429c2
a5ca79adcadc71df
3f6f3afd252c64e80a778df9f54bbca7db3edcc661bb5bc6bff87601fc4571be
a9e407828463a7f3
77bf4fd209adb4ad9cddcd2d118db34e3f8414460b640f730db3c6bcfd84a59e
347319a101085831
c9c52b8302dab9b75b8bd6fe0039829700945e99ae688ab2b6ed7060b7776d64
9f1409f73d8967dc
b9e5dbb6852c879ba0d7ee9c8ff6fcd7d15b0f78427db0a6480033b67db7eca7
ad5f8cf4d979af3e
2d0e40f484df2cb13540924c567519a3d6e29a163639baf7b506402e319c9b74
cde2eb7fe15f140e
8033fd88462dbcbf49e1179ca80070b87a615d6895ac1cc749a2fe765a620ecf
$ niceblack.sh $BH $BC
___ ____ ___ ____ ___________
|__ \/ __ < / / __ \/ ____/__ /
__/ / /_/ / / / / / /___ \ / /
/ __/\__, / / / /_/ /___/ / / /
/____/____/_/ \____/_____/ /_/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...d 9167 92f5 .f |
| 1. .3e. ffdb 27.7 a983 1f |
| 2. b.31 cf6c c878 fc4d 2f |
| 3. e991 edd9 f3.d 1a39 3f |
'=== ==== ==== ==== ==== ==='
ak: d734 a1