# on receiving block 288555 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-01-25T03:23:30Z
# as written in the block header
2026-01-25T03:22:57Z
$ uptime # since last reboot
03:23:30 up 164 days, 13:14, 0 users, load average: 2.89, 1.30, 1.22
$ battery.sh
40%, Power Supply Online
$ uname -smnr
Linux singer 6.12.40-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1747076 kB
$ du -h -d1 .bitcoin/signet
264M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
551M .bitcoin/signet/blocks
3.3G .bitcoin/signet/chainstate
4.1G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 835G 77G 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
288555
$ BH=$(bitcoin-cli -signet getblockhash 288555); echo $BH
000000081cb1d7d1c3c28229c6a45c8840a520f4063c8120f1650378b4d57399
$ bitcoin-cli -signet getblockheader 000000081cb1d7d1c3c28229c6a45c8840a520f4063c8120f1650378b4d57399
{
"hash": "000000081cb1d7d1c3c28229c6a45c8840a520f4063c8120f1650378b4d57399",
"confirmations": 1,
"height": 288555,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "ba5edd35f60e233ba5335ca06731260c555a5a51aa5cd606570c84cec484a22b",
"time": 1769311377,
"mediantime": 1769309712,
"nonce": 260899743,
"bits": "1d157c9b",
"target": "000000157c9b0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04653962099342757,
"chainwork": "00000000000000000000000000000000000000000000000000000a6c32aaffe0",
"nTx": 30,
"previousblockhash": "0000000f3831a4c076a53fdafe1f5f17b11ea214f85cffaa46b756862199846f"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...8 1cb1 d7d1
c3c2 8229 c6a4 5c88
4.a5 2.f4 .63c 812.
f165 .378 b4d5 7399
$ : 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
288555 sf: ...8 4.a5 2.f4 .63c 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 .
288555 sk: 7399 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 .
288555 ak: c2b3 91
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 2,
"bytes": 397,
"usage": 2656,
"total_fee": 0.00000407,
"maxmempool": 100000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 0,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000
}
$ gmm.sh
148
## Current epoch estimation is -0.4%
## 267 of 2016, i.e. 13%, 1749 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
331659.0521588709
$ bitcoin-cli -signet getnetworkhashps 2016 288287
333005.7574254622
$ bitcoin-cli -signet getnetworkhashps 2016 286271
335362.2796681721
$ bitcoin-cli -signet getblockstats 288555
{
"avgfee": 3000,
"avgfeerate": 10,
"avgtxsize": 344,
"blockhash": "000000081cb1d7d1c3c28229c6a45c8840a520f4063c8120f1650378b4d57399",
"feerate_percentiles": [
2,
2,
2,
2,
2
],
"height": 288555,
"ins": 29,
"maxfee": 34200,
"maxfeerate": 200,
"maxtxsize": 4124,
"medianfee": 345,
"mediantime": 1769309712,
"mediantxsize": 188,
"minfee": 112,
"minfeerate": 1,
"mintxsize": 162,
"outs": 181,
"subsidy": 2500000000,
"swtotal_size": 9989,
"swtotal_weight": 32204,
"swtxs": 29,
"time": 1769311377,
"total_out": 3276465466776,
"total_size": 9989,
"total_weight": 32204,
"totalfee": 87008,
"txs": 30,
"utxo_increase": 152,
"utxo_size_inc": 11082,
"utxo_increase_actual": 126,
"utxo_size_inc_actual": 9216
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 321939865,
"totalbytessent": 19200670338,
"timemillis": 1769311411028,
"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 2 2
out 11 11 2 1
total 13 13
Local services: witness, compact filters, network limited, p2p v2, libre
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1651,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1651
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
10 "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
cde2eb7fe15f140e
5c591d93e7d1c547d96947f09da24785dbf70b1d62e66d326ee6f508bcbd02b3
00542cf8910da25f
5821ebd068eb88958750038231672278c12a13f1dc6f6768ea19c4bb7f81a028
ec03ea13d58a0cc0
df7ce9ce3b535f8250b433dad55573885e4f3688ae82cabc3369eed73fd3d5f9
42d6b7498898cae5
905db44794953caf271c97fd89699017bc3374a72b886ab307088c9787a88b41
82b27e77426c9cf3
5a4000e91050fd06458cc4fac9ef2cd01ba5d6cae2cb1a18e46a601080fe9496
c0f47823976b423a
b8bc86e1e4895e4944416d2ace8d4d89aac44a3e0f856f82ed0e6fda8d469af4
758232c1705f1bcd
a7b3844abc4ce0356ef03f760aac2fa505d75ab340702b3447488a01a2c56090
a9e407828463a7f3
f237a6847c409a5e9ef536c72cd1328ebb422a1f7894beb833bdb46ed074986e
a4dda9c03849be5c
aee7c21551ede989e596a0d632b4967a27470cfab0ad8ecf6322f4946e0d3353
df20edf7a92caa16
5f90aaab5d53f4f5a9998332a9483093f75e46c2943ed62bfc7aa0bcf625fcbf
$ niceblack.sh $BH $BC
___ ____ ____
|__ \ ( __ )( __ )
__/ // __ / __ |
/ __// /_/ / /_/ /
/____/\____/\____/
__________________
/ ____/ ____/ ____/
/___ \/___ \/___ \
____/ /___/ /___/ /
/_____/_____/_____/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...8 1cb1 d7d1 .f |
| 1. c3c2 8229 c6a4 5c88 1f |
| 2. 4.a5 2.f4 .63c 812. 2f |
| 3. f165 .378 b4d5 7399 3f |
'=== ==== ==== ==== ==== ==='
ak: c2b3 91