# on receiving block 289033 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-01-28T07:30:44Z
# as written in the block header
2026-01-28T07:30:42Z
$ uptime # since last reboot
07:30:44 up 18:56, 0 users, load average: 0.32, 1.13, 1.52
$ battery.sh
96%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1835068 kB
$ du -h -d1 .bitcoin/signet
265M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
567M .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 76G 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
289033
$ BH=$(bitcoin-cli -signet getblockhash 289033); echo $BH
00000008f9716e4fb5fe5ddf34c8f3c4d7129c4ccaee140853d2988aec64e979
$ bitcoin-cli -signet getblockheader 00000008f9716e4fb5fe5ddf34c8f3c4d7129c4ccaee140853d2988aec64e979
{
"hash": "00000008f9716e4fb5fe5ddf34c8f3c4d7129c4ccaee140853d2988aec64e979",
"confirmations": 1,
"height": 289033,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "ab8111e28558357a9b30df38db07f9ce288736d992d41bb3bcfe377f83aabcaa",
"time": 1769585442,
"mediantime": 1769583790,
"nonce": 8572158,
"bits": "1d157c9b",
"target": "000000157c9b0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04653962099342757,
"chainwork": "00000000000000000000000000000000000000000000000000000a8271b71780",
"nTx": 54,
"previousblockhash": "0000000fbf7d28afec9d6bb6b1808a557aba04998ec82f8359d39bceae3b73f0"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...8 f971 6e4f
b5fe 5ddf 34c8 f3c4
d712 9c4c caee 14.8
53d2 988a ec64 e979
$ : 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
289033 sf: ...8 14.8 e979
$ : 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 .
289033 sk: e979 d1
$ : 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 .
289033 ak: e3e6 d1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 0,
"bytes": 0,
"usage": 96,
"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
226
## Current epoch estimation is +1.89%
## 745 of 2016, i.e. 36%, 1271 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
339326.777533023
$ bitcoin-cli -signet getnetworkhashps 2016 288287
333005.7574254622
$ bitcoin-cli -signet getnetworkhashps 2016 286271
335362.2796681721
$ bitcoin-cli -signet getblockstats 289033
{
"avgfee": 17228,
"avgfeerate": 7,
"avgtxsize": 5966,
"blockhash": "00000008f9716e4fb5fe5ddf34c8f3c4d7129c4ccaee140853d2988aec64e979",
"feerate_percentiles": [
0,
1,
1,
15,
15
],
"height": 289033,
"ins": 62,
"maxfee": 758260,
"maxfeerate": 200,
"maxtxsize": 83970,
"medianfee": 344,
"mediantime": 1769583790,
"mediantxsize": 205,
"minfee": 0,
"minfeerate": 0,
"mintxsize": 162,
"outs": 1690,
"subsidy": 2500000000,
"swtotal_size": 315453,
"swtotal_weight": 485583,
"swtxs": 50,
"time": 1769585442,
"total_out": 3095432774063,
"total_size": 316234,
"total_weight": 488707,
"totalfee": 913089,
"txs": 54,
"utxo_increase": 1628,
"utxo_size_inc": 118361,
"utxo_increase_actual": 1600,
"utxo_size_inc_actual": 116323
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 11845257,
"totalbytessent": 422962208,
"timemillis": 1769585445615,
"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 3 3
out 12 12 3 1
total 15 15
Local services: witness, compact filters, network limited, p2p v2, libre
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1398,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1398
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
9 "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
b1549a58235dba4ece2520070dc15ee0db1d73b958c88edcdaf64807a27ab35d
2422645f1d448cf3
5511cc8957118bd0bdc4ea2ef3aa206424ea17721cdb1c7e5b3df203d8f6cde0
df20edf7a92caa16
528743940927beb5c5dacb5042d714ee483a50702960aaf866a17dbd3e61cecf
989773dc541b27e7
42248f84ba5929f398b200bf811aa72ff8c31f6d10d5949cbcb3aba8dce4081e
acbcec5aeca1972b
2ebd03f0b229b44fe1c9d32310526dd510ec26392d549e4cf3edef59463c76a3
4645feb2cf906cd2
71c64468fb4d1f144d64899f4e56fef43461d1f27a76edee368b2bb9c4e48dbc
60c8637347b32362
6693d8149f7c11579a7efa0ca1c9d545b7b88e77c19044af785126bd309c9faa
ff5f456993331248
2318f4fe93194d28c26aca211ab26799a1653131e4e9bd00660fda80156b2747
c9701cb7daf904c2
535993cc6ec79ccad0dda90bb866759276e13a53e5e04e3d8b9d2bff97a8c826
$ niceblack.sh $BH $BC
__ __ __
/ / / /__ ____/ /__
/ _ \/ / _ \/ __/ '_/
/_.__/_/\___/\__/_/\_\
___ ___ ___ ___ ____ ____
|_ |( _ ) _ \/ _ \|_ /|_ /
/ __// _ \_, / // //_ <_/_ <
/____/\___/___/\___/____/____/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...8 f971 6e4f .f |
| 1. b5fe 5ddf 34c8 f3c4 1f |
| 2. d712 9c4c caee 14.8 2f |
| 3. 53d2 988a ec64 e979 3f |
'=== ==== ==== ==== ==== ==='
ak: e3e6 d1