# on receiving block 314590 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-07-24T17:08:22Z
# as written in the block header
2026-07-24T17:07:59Z
$ uptime # since last reboot
17:08:21 up 28 days, 9:39, 0 users, load average: 1.04, 1.07, 1.14
$ battery.sh
140%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1683104 kB
$ du -h -d1 .bitcoin/signet
315M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
538M .bitcoin/signet/blocks
3.9G .bitcoin/signet/chainstate
4.8G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 435G 476G 48% /
$ bitcoind -version
Bitcoin Core daemon version v31.1.0 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
314590
$ BH=$(bitcoin-cli -signet getblockhash 314590); echo $BH
00000001f1bc9392c1d025fa2aeeb988773d044defe5a9adf635c667f058d3a4
$ bitcoin-cli -signet getblockheader 00000001f1bc9392c1d025fa2aeeb988773d044defe5a9adf635c667f058d3a4
{
"hash": "00000001f1bc9392c1d025fa2aeeb988773d044defe5a9adf635c667f058d3a4",
"confirmations": 1,
"height": 314590,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "b5e1a3a00799ffb6edc8773126000a2754318dc0264a958ecb1cdd6e931ec7ad",
"time": 1784912879,
"mediantime": 1784909448,
"nonce": 176054993,
"bits": "1d14d6ea",
"target": "00000014d6ea0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04798504544795561,
"chainwork": "00000000000000000000000000000000000000000000000000000f46841c13ff",
"nTx": 51,
"previousblockhash": "0000000a62f687de75f9e1dd15e5f7c91700cd80441455b7fea0295c3a45ece9"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...1 f1bc 9392
c1d. 25fa 2aee b988
773d .44d efe5 a9ad
f635 c667 f.58 d3a4
$ : 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
314590 sf: ...1 c1d. .44d f.58 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 .
314590 sk: d3a4 b1
$ : 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 .
314590 ak: 33f5 b1
$ : Following is the jointkode
314590 jk: d3a4 33f5 b1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 8,
"bytes": 205415,
"usage": 651296,
"total_fee": 0.00157447,
"maxmempool": 300000000,
"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
188
## Current epoch estimation is -0.29%
## 94 of 2016, i.e. 4%, 1922 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
342455.1676762571
$ bitcoin-cli -signet getnetworkhashps 2016 314495
343484.4943123722
$ bitcoin-cli -signet getnetworkhashps 2016 312479
346247.1658164694
$ bitcoin-cli -signet getblockstats 314590
{
"avgfee": 6896,
"avgfeerate": 3,
"avgtxsize": 4869,
"blockhash": "00000001f1bc9392c1d025fa2aeeb988773d044defe5a9adf635c667f058d3a4",
"feerate_percentiles": [
1,
1,
1,
1,
3
],
"height": 314590,
"ins": 755,
"maxfee": 78680,
"maxfeerate": 611,
"maxtxsize": 219367,
"medianfee": 153,
"mediantime": 1784909448,
"mediantxsize": 196,
"minfee": 37,
"minfeerate": 0,
"mintxsize": 118,
"outs": 450,
"subsidy": 2500000000,
"swtotal_size": 243333,
"swtotal_weight": 390414,
"swtxs": 49,
"time": 1784912879,
"total_out": 3066264596158,
"total_size": 243451,
"total_weight": 390886,
"totalfee": 344827,
"txs": 51,
"utxo_increase": -305,
"utxo_size_inc": -27074,
"utxo_increase_actual": -343,
"utxo_size_inc_actual": -31911
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 17635434,
"totalbytessent": 341475949,
"timemillis": 1784912902529,
"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 v31.1.0 signet - server 70016/Satoshi:31.1.0/
ipv4 total block manual
in 1 1
out 11 11 2 1
total 12 12
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 982,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 982
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
9 "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
bc37482de97475273964cd6501342823041c55d84cd941ba6e9563a497807556
ac71d6f00b7ce5e9
2d238d743b2ce7514f1bdc1d76ce21515f90d888efdc53aebe905f63617b835f
ce5240b924d9f173
8bd5bc3c460dd8e745396362b50b59eb3919e7931d3289c7450390ece47292a8
a8e0ddb58abca302
f2b55b19b9b23aa7ef0da49aa538adb648d9fdaa455507f21da179951288f47a
7709899725128d12
d2c2d96142efd46b545819ff979125479c8e0286942463ca6e866e6bb54b8c74
067fab9072f3024c
1dc714e5c377dd7d042489990cf5ca61d857dfe08d82a10ab633058379726d98
2422645f1d448cf3
c52f2d5d4f53d1c28f4a9b266bec524a0ff461fcfa8ce581a6af6526c7c36da3
a42e3836fdd73f29
2dc59e0b8d03638c765898d434936e12e5bd091fc861e1fe7ba1649586c6ee3f
5a608962ac3ba8ae
2a0e2443701fdebf7a81655a9a445abf1d1206617c1a391b16669fd93a6df987
$ niceblack.sh $BH $BC
_ _ _
| |__| |___ __| |__
| '_ \ / _ \/ _| / /
|_.__/_\___/\__|_\_\
_____ _ _ ___ ___ __
|__ / | | || __/ _ \/ \
|_ \ |_ _|__ \_, / () |
|___/_| |_||___//_/ \__/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...1 f1bc 9392 .f |
| 1. c1d. 25fa 2aee b988 1f |
| 2. 773d .44d efe5 a9ad 2f |
| 3. f635 c667 f.58 d3a4 3f |
'=== ==== ==== ==== ==== ==='
jk: d3a4 33f5 b1