# on receiving block 300884 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-04-20T09:54:00Z
# as written in the block header
2026-04-20T09:53:07Z
$ uptime # since last reboot
09:54:00 up 32 days, 46 min, 0 users, load average: 1.23, 1.52, 1.70
$ battery.sh
100%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1939980 kB
$ du -h -d1 .bitcoin/signet
290M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
448M .bitcoin/signet/blocks
3.6G .bitcoin/signet/chainstate
4.4G .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
300884
$ BH=$(bitcoin-cli -signet getblockhash 300884); echo $BH
00000007312d0733e0ebd708cfbaf661e844a5e8212aba300a7c62aae317f0c3
$ bitcoin-cli -signet getblockheader 00000007312d0733e0ebd708cfbaf661e844a5e8212aba300a7c62aae317f0c3
{
"hash": "00000007312d0733e0ebd708cfbaf661e844a5e8212aba300a7c62aae317f0c3",
"confirmations": 1,
"height": 300884,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "f26e944a006fd16746a4f13fd988a14970ae302c0b4247036ac1335a27aad05a",
"time": 1776678787,
"mediantime": 1776673829,
"nonce": 427499972,
"bits": "1d14a616",
"target": "00000014a6160000000000000000000000000000000000000000000000000000",
"difficulty": 0.0484282882981412,
"chainwork": "00000000000000000000000000000000000000000000000000000cb31317a900",
"nTx": 378,
"previousblockhash": "00000004e51cd949663e5da8a601e4c6b72019b6923dff1d108b6b4ff7e50207"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...7 312d .733
e.eb d7.8 cfba f661
e844 a5e8 212a ba3.
.a7c 62aa e317 f.c3
$ : 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
300884 sf: ...7 .733 e.eb d7.8 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 .
300884 sk: f.c3 81
$ : 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 .
300884 ak: 9595 81
$ : Following is the jointkode
300884 jk: f0c3 9595 81
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 8,
"bytes": 4407,
"usage": 43632,
"total_fee": 0.00004769,
"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
168
## Current epoch estimation is -1.66%
## 500 of 2016, i.e. 24%, 1516 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
340688.1481166488
$ bitcoin-cli -signet getnetworkhashps 2016 300383
346462.8663674932
$ bitcoin-cli -signet getnetworkhashps 2016 298367
336459.3161092782
$ bitcoin-cli -signet getblockstats 300884
{
"avgfee": 5288,
"avgfeerate": 11,
"avgtxsize": 706,
"blockhash": "00000007312d0733e0ebd708cfbaf661e844a5e8212aba300a7c62aae317f0c3",
"feerate_percentiles": [
1,
1,
12,
24,
24
],
"height": 300884,
"ins": 1121,
"maxfee": 1105230,
"maxfeerate": 24,
"maxtxsize": 45144,
"medianfee": 212,
"mediantime": 1776673829,
"mediantxsize": 205,
"minfee": 122,
"minfeerate": 1,
"mintxsize": 142,
"outs": 2524,
"subsidy": 2500000000,
"swtotal_size": 266361,
"swtotal_weight": 699885,
"swtxs": 376,
"time": 1776678787,
"total_out": 3166474290109,
"total_size": 266503,
"total_weight": 700453,
"totalfee": 1993892,
"txs": 378,
"utxo_increase": 1403,
"utxo_size_inc": 105932,
"utxo_increase_actual": 1357,
"utxo_size_inc_actual": 101790
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 175193666,
"totalbytessent": 4863337405,
"timemillis": 1776678841155,
"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 2 2
out 11 11 2 1
total 13 13
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1475,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1475
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
6 "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
efc846ec47160038
7d757ad74aee9c61a49b7f752198d567d30032dacd47075529cf20d76c882a1d
82b27e77426c9cf3
9eb4c4760831cadfd736fea754c996f543777fd0bd4d90e09e5859d5137760c5
563b8894485c6787
4120a5e9498568a10f0045699a882e86ed917d759dc7118bc6bc8c0e4f846ed5
f78ac7a6ec9d7800
0d35289c2156aba4f72b8ef594430102c860e2ed8b14b30d839cde396d920adc
c9a9ad375627607c
58da2b0f99038507c007fc41f2b4d0ba5f77a285c8fbe220397d8ec910c5ba28
40ec672fa3c05877
0e1677c2e3a3842fa4f095b1a995031c86e198b7f9289530d40736c9b98b8ba7
$ niceblack.sh $BH $BC
| | |
_ \ | _ \ _| | /
_.__/_|\___/\__|_\_\
__ / \ \ _ ) _ ) | |
_ \ ( |( | _ \ _ \__ _|
___/\__/\__/\___/\___/ _|
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...7 312d .733 .f |
| 1. e.eb d7.8 cfba f661 1f |
| 2. e844 a5e8 212a ba3. 2f |
| 3. .a7c 62aa e317 f.c3 3f |
'=== ==== ==== ==== ==== ==='
jk: f.c3 9595 81