# on receiving block 300248 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-04-15T20:34:48Z
# as written in the block header
2026-04-15T20:34:30Z
$ uptime # since last reboot
20:34:48 up 27 days, 11:27, 0 users, load average: 1.52, 1.30, 1.13
$ battery.sh
100%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 2059588 kB
$ du -h -d1 .bitcoin/signet
288M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
539M .bitcoin/signet/blocks
3.6G .bitcoin/signet/chainstate
4.4G .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
300248
$ BH=$(bitcoin-cli -signet getblockhash 300248); echo $BH
0000001269cabacea8f34c12b8e6bc2f3826965a907e6b7ffa46c9b0a73fef1a
$ bitcoin-cli -signet getblockheader 0000001269cabacea8f34c12b8e6bc2f3826965a907e6b7ffa46c9b0a73fef1a
{
"hash": "0000001269cabacea8f34c12b8e6bc2f3826965a907e6b7ffa46c9b0a73fef1a",
"confirmations": 1,
"height": 300248,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "ca9a9ee293043622bdc0f86d4b7903f3b96fd1b729c9fee27f75578da2bc4751",
"time": 1776285270,
"mediantime": 1776281976,
"nonce": 147815105,
"bits": "1d1543df",
"target": "0000001543df0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04702464282152162,
"chainwork": "00000000000000000000000000000000000000000000000000000c9476952960",
"nTx": 73,
"previousblockhash": "00000003b5999af8fbc39090719ba1e1978e3e2991edc71a0b971aef6d16585d"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ..12 69ca bace
a8f3 4c12 b8e6 bc2f
3826 965a 9.7e 6b7f
fa46 c9b. a73f ef1a
$ : 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
300248 sf: ..12 9.7e c9b. ef1a
$ : 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 .
300248 sk: ef1a 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 .
300248 ak: 1d9. c1
$ : Following is the jointkode
300248 jk: ef1a 1d9. c1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 4,
"bytes": 1431,
"usage": 17280,
"total_fee": 0.00002193,
"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
138
## Current epoch estimation is +3.68%
## 1880 of 2016, i.e. 93%, 136 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
348847.8378862102
$ bitcoin-cli -signet getnetworkhashps 2016 298367
336459.3161092782
$ bitcoin-cli -signet getnetworkhashps 2016 296351
334019.4023418721
$ bitcoin-cli -signet getblockstats 300248
{
"avgfee": 2372,
"avgfeerate": 5,
"avgtxsize": 682,
"blockhash": "0000001269cabacea8f34c12b8e6bc2f3826965a907e6b7ffa46c9b0a73fef1a",
"feerate_percentiles": [
1,
1,
2,
12,
12
],
"height": 300248,
"ins": 222,
"maxfee": 17390,
"maxfeerate": 14,
"maxtxsize": 6638,
"medianfee": 704,
"mediantime": 1776281976,
"mediantxsize": 248,
"minfee": 154,
"minfeerate": 1,
"mintxsize": 142,
"outs": 507,
"subsidy": 2500000000,
"swtotal_size": 48964,
"swtotal_weight": 128476,
"swtxs": 71,
"time": 1776285270,
"total_out": 3212839617216,
"total_size": 49106,
"total_weight": 129044,
"totalfee": 170831,
"txs": 73,
"utxo_increase": 285,
"utxo_size_inc": 21174,
"utxo_increase_actual": 246,
"utxo_size_inc_actual": 18132
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 80364348,
"totalbytessent": 2198610312,
"timemillis": 1776285288927,
"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 5 5
out 11 11 2 1
total 16 16
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1629,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1629
}
}
### 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
82b27e77426c9cf3
b07a85f145b99acc9d4d5ba59a2394ddbc2df0b83b426721cebb5809000afa72
9550b66c9c9a91e5
15425ea4f148d1507f3c09828f04964ce1573056b00cff5e45d48e2c7331418d
4c5cd41e91d07bde
ed12296075c9fc334c40627e4b77cd75d7a00165817f120a5dac29bbb017febb
6f13f8eeb1cbbceb
ed754c6c755136e17083b79a61dee8984ff46f1f1dd50a03acee9a1d9a128d4f
38bf311b23e78a53
b1b8b20f3d5fd3a4644d7cd3a6d292be44e1752be93d5b05e534f168a9a3b465
f78ac7a6ec9d7800
a5162e07985a0ad6082d26cc8ce21edc09c1e7445b73b2731e6ae647a73e846d
c783c4b8210e776c
e5c71cc4d392f685f6cc0e62dcbb60f789a793827824eaa8f534b2a8aaa2eec3
54f960a8ec22498c
7a546d3938695e02ab89bbe9b688ee446a7fd1c0f0468de956ee5d1a4ca6e803
9d144ef2a896d595
ba99014d0534063312bbb3294c9cd2962803ccdd050c0950a000ef5d10f79c45
7b4566df59a7b36f
be82ada0d7b7926a946a574598a3484a5f64df077641c0b713ffb9bab37bff5a
dcdb0704106a628a
64b72438c5d2d7b411b837011fdca17c0b1ebde4eea57a5f04fc71cef336a811
$ niceblack.sh $BH $BC
_____ ___ ___
|___ / / _ \ / _ \
|_ \| | | | | | |
___) | |_| | |_| |
|____/ \___/ \___/
____ _ _ ___
|___ \| || | ( _ )
__) | || |_ / _ \
/ __/|__ _| (_) |
|_____| |_| \___/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ..12 69ca bace .f |
| 1. a8f3 4c12 b8e6 bc2f 1f |
| 2. 3826 965a 9.7e 6b7f 2f |
| 3. fa46 c9b. a73f ef1a 3f |
'=== ==== ==== ==== ==== ==='
jk: ef1a 1d9. c1