# on receiving block 301989 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-04-28T01:04:44Z
# as written in the block header
2026-04-28T01:04:42Z
$ uptime # since last reboot
01:04:44 up 39 days, 15:57, 0 users, load average: 1.10, 1.41, 1.48
$ battery.sh
156%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1651924 kB
$ du -h -d1 .bitcoin/signet
291M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
521M .bitcoin/signet/blocks
3.6G .bitcoin/signet/chainstate
4.5G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 435G 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
301989
$ BH=$(bitcoin-cli -signet getblockhash 301989); echo $BH
00000001479ef2a2c2c107c278428dc0860679c04bb6306484b1973b511732ce
$ bitcoin-cli -signet getblockheader 00000001479ef2a2c2c107c278428dc0860679c04bb6306484b1973b511732ce
{
"hash": "00000001479ef2a2c2c107c278428dc0860679c04bb6306484b1973b511732ce",
"confirmations": 1,
"height": 301989,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "7d68a6c158c56d85d775d777c64b961c1f706ec18d764f7bb10bfa005e682aa2",
"time": 1777338282,
"mediantime": 1777333869,
"nonce": 16407033,
"bits": "1d14a616",
"target": "00000014a6160000000000000000000000000000000000000000000000000000",
"difficulty": 0.0484282882981412,
"chainwork": "00000000000000000000000000000000000000000000000000000ce896b21540",
"nTx": 42,
"previousblockhash": "000000083af7e7e532edba9b04e6c3257f2643e43cc695a678f16f373b731985"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...1 479e f2a2
c2c1 .7c2 7842 8dc.
86.6 79c. 4bb6 3.64
84b1 973b 5117 32ce
$ : 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
301989 sf: ...1 .7c2 8dc. 86.6 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 .
301989 sk: 32ce 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 .
301989 ak: 71fb 91
$ : Following is the jointkode
301989 jk: 32ce 71fb 91
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 4,
"bytes": 687,
"usage": 33232,
"total_fee": 0.00000480,
"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
272
## Current epoch estimation is -1.5%
## 1605 of 2016, i.e. 79%, 411 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
341238.5885835344
$ bitcoin-cli -signet getnetworkhashps 2016 300383
346462.8663674932
$ bitcoin-cli -signet getnetworkhashps 2016 298367
336459.3161092782
$ bitcoin-cli -signet getblockstats 301989
{
"avgfee": 834,
"avgfeerate": 2,
"avgtxsize": 386,
"blockhash": "00000001479ef2a2c2c107c278428dc0860679c04bb6306484b1973b511732ce",
"feerate_percentiles": [
1,
1,
3,
3,
3
],
"height": 301989,
"ins": 71,
"maxfee": 13316,
"maxfeerate": 11,
"maxtxsize": 4277,
"medianfee": 428,
"mediantime": 1777333869,
"mediantxsize": 191,
"minfee": 154,
"minfeerate": 1,
"mintxsize": 142,
"outs": 152,
"subsidy": 2500000000,
"swtotal_size": 15716,
"swtotal_weight": 46745,
"swtxs": 40,
"time": 1777338282,
"total_out": 3031633055202,
"total_size": 15858,
"total_weight": 47313,
"totalfee": 34200,
"txs": 42,
"utxo_increase": 81,
"utxo_size_inc": 7699,
"utxo_increase_actual": 45,
"utxo_size_inc_actual": 3732
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 311069601,
"totalbytessent": 7914164301,
"timemillis": 1777338284860,
"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 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
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1253,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1253
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
12 "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
02bcf475afe48ca6
78b4f983fc2a958798c1132a6fae14cf8a10b9481a3328c31b5fee7f470ae8ee
a9e407828463a7f3
8e5cb0029c644d149b281880f27099318d707c469d6d1d5f647c50d3901a0ac5
a4dda9c03849be5c
da62f28ff996ff792affc4433379b63d11d1293b2a880b35db3e693f28b8b910
82b27e77426c9cf3
f84a1f62510237be5253cf44771e75c8b9d2ae233eaebef863d130e5d552c00b
f78ac7a6ec9d7800
0c694cb0486fbec019f1ad04afde43ada2acc5ef6c608fdf2112e92a9e197502
1be57ab10ba0682c
d32569133ace5b19e3b2fd23df124541cec56166df59e4b1e7d6590769eed0cb
527f54bf5318bcef
52eabe2cb33b6951990ae93e154847c2bdc91ea6732b4bc1b5d27d9ca42c1f87
a193df01bd4367ab
e455dfbd2fb6d626d6bfad925f949bf2f7f83b21cdace4717ca231241e758a91
26b5cc5862b82582
2ea2ed00f351f447b46a3f79ae3ba24288e31f33eb44b3e6ff2af080c3558717
2422645f1d448cf3
7c73867710f9169cfbf192ce28dacde22ecb6b6855b0c332d6f4249f689362c8
bfd7f5ae2354e6ed
5017f6ba97ed3f70a5b7250c46d1ab85fb1589f56a6b9e664e550b45f4bb5709
b029db8b251863d1
f14930b163bd3b95850700f8a15e5bb439ea60a5ead4131a84f276c9da6144b0
$ niceblack.sh $BH $BC
_ _ _
| | | | | |
| | | | __ __ | |
|/ \_|/ / \_/ |/_)
\_/ |__/\__/ \___/| \_/
___ __ , __ __ __
/ \ / \/|/ |/ \/ |
__/| ||\_/|\__/\_/|
\| || |/ \ |
\___/ \__/ | |\__/ |
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...1 479e f2a2 .f |
| 1. c2c1 .7c2 7842 8dc. 1f |
| 2. 86.6 79c. 4bb6 3.64 2f |
| 3. 84b1 973b 5117 32ce 3f |
'=== ==== ==== ==== ==== ==='
jk: 32ce 71fb 91