# on receiving block 301918 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-04-27T11:59:31Z
# as written in the block header
2026-04-27T11:59:11Z
$ uptime # since last reboot
11:59:31 up 39 days, 2:52, 0 users, load average: 1.53, 1.75, 1.79
$ battery.sh
156%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1670600 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 476G 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
301918
$ BH=$(bitcoin-cli -signet getblockhash 301918); echo $BH
0000000314a750bf691fc3ae4e007edcf464e082179bc12069ae5ec49b361535
$ bitcoin-cli -signet getblockheader 0000000314a750bf691fc3ae4e007edcf464e082179bc12069ae5ec49b361535
{
"hash": "0000000314a750bf691fc3ae4e007edcf464e082179bc12069ae5ec49b361535",
"confirmations": 1,
"height": 301918,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "79dc82e051622e374de9ab5a86b4276a9a736735fe6a4f97a0b8b7045539c93a",
"time": 1777291151,
"mediantime": 1777289016,
"nonce": 160128663,
"bits": "1d14a616",
"target": "00000014a6160000000000000000000000000000000000000000000000000000",
"difficulty": 0.0484282882981412,
"chainwork": "00000000000000000000000000000000000000000000000000000ce526731b80",
"nTx": 111,
"previousblockhash": "0000000d900fb85c1c948270bb1d7754e0e05baa0107f8a9cd49ec7b94fc25c4"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...3 14a7 5.bf
691f c3ae 4e.. 7edc
f464 e.82 179b c12.
69ae 5ec4 9b36 1535
$ : 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
301918 sf: ...3 5.bf 4e.. e.82 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 .
301918 sk: 1535 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 .
301918 ak: a542 a1
$ : Following is the jointkode
301918 jk: 1535 a542 a1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 5,
"bytes": 1071,
"usage": 34552,
"total_fee": 0.00000864,
"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
152
## Current epoch estimation is -1.61%
## 1534 of 2016, i.e. 76%, 482 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
340873.6884884125
$ bitcoin-cli -signet getnetworkhashps 2016 300383
346462.8663674932
$ bitcoin-cli -signet getnetworkhashps 2016 298367
336459.3161092782
$ bitcoin-cli -signet getblockstats 301918
{
"avgfee": 1649,
"avgfeerate": 5,
"avgtxsize": 443,
"blockhash": "0000000314a750bf691fc3ae4e007edcf464e082179bc12069ae5ec49b361535",
"feerate_percentiles": [
1,
1,
6,
7,
11
],
"height": 301918,
"ins": 198,
"maxfee": 54838,
"maxfeerate": 11,
"maxtxsize": 7885,
"medianfee": 216,
"mediantime": 1777289016,
"mediantxsize": 205,
"minfee": 139,
"minfeerate": 0,
"mintxsize": 142,
"outs": 487,
"subsidy": 2500000000,
"swtotal_size": 48608,
"swtotal_weight": 138386,
"swtxs": 109,
"time": 1777291151,
"total_out": 3246880771283,
"total_size": 48750,
"total_weight": 138954,
"totalfee": 181465,
"txs": 111,
"utxo_increase": 289,
"utxo_size_inc": 24932,
"utxo_increase_actual": 253,
"utxo_size_inc_actual": 20964
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 303739170,
"totalbytessent": 7703628142,
"timemillis": 1777291171729,
"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 3 1 4
out 11 0 11 2 1
total 14 1 15
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1262,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1262
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
11 "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
1384e339eca71e77
0417c64cc73f5fdfe6bb63ce04134603b7d5917ef1813d6d6d6bd450d3d623cb
$ niceblack.sh $BH $BC
_ _ _
| |__| |___ __| |__
| '_ \ / _ \/ _| / /
|_.__/_\___/\__|_\_\
____ __ _ ___ _ ___
|__ // \/ / _ \/ ( _ )
|_ \ () | \_, /| / _ \
|___/\__/|_|/_/ |_\___/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...3 14a7 5.bf .f |
| 1. 691f c3ae 4e.. 7edc 1f |
| 2. f464 e.82 179b c12. 2f |
| 3. 69ae 5ec4 9b36 1535 3f |
'=== ==== ==== ==== ==== ==='
jk: 1535 a542 a1