# on receiving block 300605 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-04-18T08:54:34Z
# as written in the block header
2026-04-18T08:54:25Z
$ uptime # since last reboot
08:54:34 up 29 days, 23:47, 0 users, load average: 2.03, 2.20, 2.09
$ battery.sh
100%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1921352 kB
$ du -h -d1 .bitcoin/signet
289M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
575M .bitcoin/signet/blocks
3.6G .bitcoin/signet/chainstate
4.5G .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
300605
$ BH=$(bitcoin-cli -signet getblockhash 300605); echo $BH
0000000d1cba002aa15b3636c045f09f263e7169072f9352fe858e0658cc19c2
$ bitcoin-cli -signet getblockheader 0000000d1cba002aa15b3636c045f09f263e7169072f9352fe858e0658cc19c2
{
"hash": "0000000d1cba002aa15b3636c045f09f263e7169072f9352fe858e0658cc19c2",
"confirmations": 1,
"height": 300605,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "1ca3f90d340031c0aebbfe2c2120f84fd1a0ceba203f4fb25e6c713fd80dfccb",
"time": 1776502465,
"mediantime": 1776501599,
"nonce": 70216586,
"bits": "1d14a616",
"target": "00000014a6160000000000000000000000000000000000000000000000000000",
"difficulty": 0.0484282882981412,
"chainwork": "00000000000000000000000000000000000000000000000000000ca59018fb40",
"nTx": 168,
"previousblockhash": "00000002ef6a01eb38e1997885026f56305de1c76c812c0689c068309cc81c3a"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...d 1cba ..2a
a15b 3636 c.45 f.9f
263e 7169 .72f 9352
fe85 8e.6 58cc 19c2
$ : 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
300605 sf: ...d ..2a c.45 f.9f 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 .
300605 sk: 19c2 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 .
300605 ak: 498d 91
$ : Following is the jointkode
300605 jk: 19c2 498d 91
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 2,
"bytes": 296,
"usage": 15344,
"total_fee": 0.00000634,
"maxmempool": 100000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 1,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000,
"limitclustercount": 25,
"limitclustersize": 101000,
"optimal": true
}
$ gmm.sh
149
## Current epoch estimation is -0.12%
## 221 of 2016, i.e. 10%, 1795 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
346035.2633517371
$ bitcoin-cli -signet getnetworkhashps 2016 300383
346462.8663674932
$ bitcoin-cli -signet getnetworkhashps 2016 298367
336459.3161092782
$ bitcoin-cli -signet getblockstats 300605
{
"avgfee": 2374,
"avgfeerate": 5,
"avgtxsize": 609,
"blockhash": "0000000d1cba002aa15b3636c045f09f263e7169072f9352fe858e0658cc19c2",
"feerate_percentiles": [
1,
1,
2,
2,
12
],
"height": 300605,
"ins": 394,
"maxfee": 157068,
"maxfeerate": 200,
"maxtxsize": 26571,
"medianfee": 154,
"mediantime": 1776501599,
"mediantxsize": 205,
"minfee": 153,
"minfeerate": 1,
"mintxsize": 142,
"outs": 1189,
"subsidy": 2500000000,
"swtotal_size": 101605,
"swtotal_weight": 280186,
"swtxs": 166,
"time": 1776502465,
"total_out": 3359644722731,
"total_size": 101747,
"total_weight": 280754,
"totalfee": 396576,
"txs": 168,
"utxo_increase": 795,
"utxo_size_inc": 59035,
"utxo_increase_actual": 759,
"utxo_size_inc_actual": 56304
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 141449058,
"totalbytessent": 3790711590,
"timemillis": 1776502474884,
"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 1 1
out 11 11 2 1
total 12 12
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1541,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1541
}
}
### 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
82b27e77426c9cf3
4f92f5aa5eb1dfff863fd9b5f24ece0a870946bece7a5841e0333367a1d30fff
4c5cd41e91d07bde
49380395f7b6676b25a4b16ab758eb0231d891d0afe75a2cd0962553dd8429eb
fa08293583b9d96a
64737844e53c4eb77d3047527f85402a8c805f91e6f7526cfc59678506614774
42d6b7498898cae5
5c0f5001f419680e62f726dbc4da3fde901dea89dbb61708e41e44134a972bda
914105f510058065
f81b467cc03104418f71b06df6acc446b1684fd4c7dbd143ba9f8c1f79c01842
949e0d5f8f18cf24
6b114b973d0cd97841bd9248ad2e52da57e489866c3831bb634016c225d55fbe
4645feb2cf906cd2
6feb2b4d3bfd1b214b4aec90f5a3afd4c1290f0c503b0987cb99a2003a93b72b
c0528ddd9e8cb6fc
30fe425b6d8f27260ad82f953a677cbf1b201eb19347c948500a44ffab559dc7
9c92af8aca057984
b9f2fb2ccc2740be51a9c671771b413790f7fd26441cc29ca3b75e802d77bf37
dea4d126fc7cf58a
9084012c649746793dd6b1be3f347c9620da9f1481ec41cecbeabc29148192e2
$ niceblack.sh $BH $BC
| | |
_ \ | _ \ _| | /
_.__/_|\___/\__|_\_\
__ / \ \ / \ __|
_ \ ( |( | _ \ ( |__ \
___/\__/\__/\___/\__/ ___/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...d 1cba ..2a .f |
| 1. a15b 3636 c.45 f.9f 1f |
| 2. 263e 7169 .72f 9352 2f |
| 3. fe85 8e.6 58cc 19c2 3f |
'=== ==== ==== ==== ==== ==='
jk: 19c2 498d 91