# on receiving block 302377 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-04-30T21:27:42Z
# as written in the block header
2026-04-30T21:26:05Z
$ uptime # since last reboot
21:27:42 up 42 days, 12:20, 0 users, load average: 2.59, 2.08, 2.27
$ battery.sh
156%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1443996 kB
$ du -h -d1 .bitcoin/signet
293M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
557M .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
302377
$ BH=$(bitcoin-cli -signet getblockhash 302377); echo $BH
000000136be7f65255d60e497aedc48abcfa4b4699a760291ea719f7ebb97b73
$ bitcoin-cli -signet getblockheader 000000136be7f65255d60e497aedc48abcfa4b4699a760291ea719f7ebb97b73
{
"hash": "000000136be7f65255d60e497aedc48abcfa4b4699a760291ea719f7ebb97b73",
"confirmations": 1,
"height": 302377,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "09c3082f3d7410547338e3e9a4da76caafe0d76e881b37d035162b8ef7acb8df",
"time": 1777584365,
"mediantime": 1777580567,
"nonce": 798296515,
"bits": "1d14a616",
"target": "00000014a6160000000000000000000000000000000000000000000000000000",
"difficulty": 0.0484282882981412,
"chainwork": "00000000000000000000000000000000000000000000000000000cfb610dd640",
"nTx": 93,
"previousblockhash": "00000009b97d542395c3686634b3c294324c2e1d7eb58ad1e438d330b281ca92"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ..13 6be7 f652
55d6 .e49 7aed c48a
bcfa 4b46 99a7 6.29
1ea7 19f7 ebb9 7b73
$ : 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
302377 sf: ..13 .e49 6.29 7b73
$ : 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 .
302377 sk: 7b73 c1
$ : 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 .
302377 ak: e1f6 c1
$ : Following is the jointkode
302377 jk: 7b73 e1f6 c1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 99,
"bytes": 4524232,
"usage": 5877928,
"total_fee": 0.09521068,
"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
451
## Current epoch estimation is -1.66%
## 1993 of 2016, i.e. 98%, 23 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
340682.5083220639
$ bitcoin-cli -signet getnetworkhashps 2016 300383
346462.8663674932
$ bitcoin-cli -signet getnetworkhashps 2016 298367
336459.3161092782
$ bitcoin-cli -signet getblockstats 302377
{
"avgfee": 25645,
"avgfeerate": 9,
"avgtxsize": 5385,
"blockhash": "000000136be7f65255d60e497aedc48abcfa4b4699a760291ea719f7ebb97b73",
"feerate_percentiles": [
2,
2,
5,
5,
49
],
"height": 302377,
"ins": 312,
"maxfee": 1258693,
"maxfeerate": 49,
"maxtxsize": 99948,
"medianfee": 1773,
"mediantime": 1777580567,
"mediantxsize": 412,
"minfee": 189,
"minfeerate": 1,
"mintxsize": 142,
"outs": 1354,
"subsidy": 2500000000,
"swtotal_size": 495293,
"swtotal_weight": 991202,
"swtxs": 91,
"time": 1777584365,
"total_out": 3121559372220,
"total_size": 495435,
"total_weight": 991770,
"totalfee": 2359384,
"txs": 93,
"utxo_increase": 1042,
"utxo_size_inc": 182588,
"utxo_increase_actual": 1001,
"utxo_size_inc_actual": 78244
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 374277908,
"totalbytessent": 9333189290,
"timemillis": 1777584463285,
"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": 1236,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1236
}
}
### 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
82b27e77426c9cf3
22b1a14eb4cd39535a58dc67ec7021f2038c3eeca5f7715963f525ecf167efed
7985d4e63c59dc4d
ac2c19342e479dc5464504b4fa45482988c79bee47c69014a9575637e009d7af
ae8d284a550f8f8a
bd34289918b66822b5942e048fd1b6ebf5cc3e9488db4f50f5a7d9dd78715989
8616846494019207
a2c8f268bcdca37161005dcb2879095500317aa97e08ad4ce2d5dcada418c8a4
4c5cd41e91d07bde
e6302782f97afb976dfa72a2d4a1dab3799ae06fcd4f2f04beef6c2c1e0e02e2
6314f8c19fd3f1fc
d29e40ad9b6312e0591114e493111cec9384631ceb4ae8aba7f89dd98a07ba42
9c92af8aca057984
2c16b5b29d14708545d988942be6416f66ed94919b757be906e1fc0801714904
2422645f1d448cf3
c2edf89e101a73785b53378d5ddc66e5d9adaf379f6f621958d791cf78ff0586
16625211a4b04e76
e88a25de7c0437b7d86dba5212775b561eb3f010ceafc92f36a015006ff3a065
bf5e4644b7e4ff09
ad501a6133cf2ed94fc2a2a66662bc5d100a86ba9b333b491cbd861bf351b621
42d6b7498898cae5
f8b211d27c02e76e8f512155dda055786dc1e587e2f316554c6078651b2088b5
7fec258c0bebc232
105e389b507fbaf95cf489c590d3d21e90f4ef84b44f268787a680e8bf2a572b
$ niceblack.sh $BH $BC
_ _ _
| |__| |___ __| |__
| '_ \ / _ \/ _| / /
|_.__/_\___/\__|_\_\
____ __ ___ ________ ____
|__ // \_ )__ /__ |__ |
|_ \ () / / |_ \ / / / /
|___/\__/___|___//_/ /_/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ..13 6be7 f652 .f |
| 1. 55d6 .e49 7aed c48a 1f |
| 2. bcfa 4b46 99a7 6.29 2f |
| 3. 1ea7 19f7 ebb9 7b73 3f |
'=== ==== ==== ==== ==== ==='
jk: 7b73 e1f6 c1