# on receiving block 312523 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-07-10T05:49:07Z
# as written in the block header
2026-07-10T05:47:57Z
$ uptime # since last reboot
05:49:07 up 13 days, 22:20, 0 users, load average: 0.43, 0.69, 0.79
$ battery.sh
96%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1692528 kB
$ du -h -d1 .bitcoin/signet
309M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
478M .bitcoin/signet/blocks
3.9G .bitcoin/signet/chainstate
4.7G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 436G 476G 48% /
$ bitcoind -version
Bitcoin Core daemon version v31.1.0rc1 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
312523
$ BH=$(bitcoin-cli -signet getblockhash 312523); echo $BH
00000002f2718fe63b01ad1c8da8396ce7c029e96b6f0131390dac7458e62655
$ bitcoin-cli -signet getblockheader 00000002f2718fe63b01ad1c8da8396ce7c029e96b6f0131390dac7458e62655
{
"hash": "00000002f2718fe63b01ad1c8da8396ce7c029e96b6f0131390dac7458e62655",
"confirmations": 1,
"height": 312523,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "f7f713208149b7afe39e54ac75f7aa794647b015c27315fba01d9f5187c15ef5",
"time": 1783662477,
"mediantime": 1783657819,
"nonce": 327798664,
"bits": "1d14ab71",
"target": "00000014ab710000000000000000000000000000000000000000000000000000",
"difficulty": 0.04837927401929265,
"chainwork": "00000000000000000000000000000000000000000000000000000ee28d5138d8",
"nTx": 50,
"previousblockhash": "000000088f3d2a6e369921b56933e94a0c053bdbfa5f63887017674258ede5b5"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...2 f271 8fe6
3b.1 ad1c 8da8 396c
e7c. 29e9 6b6f .131
39.d ac74 58e6 2655
$ : 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
312523 sf: ...2 3b.1 e7c. .131 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 .
312523 sk: 2655 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 .
312523 ak: 1.f1 a1
$ : Following is the jointkode
312523 jk: 2655 1.f1 a1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 647,
"bytes": 1710044,
"usage": 4819032,
"total_fee": 0.06301410,
"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
179
## Current epoch estimation is -0.33%
## 43 of 2016, i.e. 2%, 1973 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
345085.203152807
$ bitcoin-cli -signet getnetworkhashps 2016 312479
346247.1658164694
$ bitcoin-cli -signet getnetworkhashps 2016 310463
337230.1211738132
$ bitcoin-cli -signet getblockstats 312523
{
"avgfee": 38576,
"avgfeerate": 7,
"avgtxsize": 9094,
"blockhash": "00000002f2718fe63b01ad1c8da8396ce7c029e96b6f0131390dac7458e62655",
"feerate_percentiles": [
7,
7,
7,
7,
7
],
"height": 312523,
"ins": 2452,
"maxfee": 166768,
"maxfeerate": 149,
"maxtxsize": 36287,
"medianfee": 548,
"mediantime": 1783657819,
"mediantxsize": 253,
"minfee": 340,
"minfeerate": 2,
"mintxsize": 190,
"outs": 2537,
"subsidy": 2500000000,
"swtotal_size": 445630,
"swtotal_weight": 991975,
"swtxs": 49,
"time": 1783662477,
"total_out": 3166709477072,
"total_size": 445630,
"total_weight": 991975,
"totalfee": 1890226,
"txs": 50,
"utxo_increase": 85,
"utxo_size_inc": 8329,
"utxo_increase_actual": 49,
"utxo_size_inc_actual": 3702
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 222342648,
"totalbytessent": 7500715189,
"timemillis": 1783662547458,
"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 v31.1.0rc1 signet - server 70016/Satoshi:31.1.0/
ipv4 total block manual
in 12 12
out 11 11 2 1
total 23 23
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 895,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 895
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
20 "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
53d6cb57a43722ec0bf4189a66dd1a08513bedb3ae5ffb861f6db30605622cca
d3a35fabb60fb123
f4f5e89ebf6e3fa51a409f0b560276d4201040c057d28751179c8a69a9461f63
6314f8c19fd3f1fc
6c073ab1fbebc65165ae40daaeac9c44c96950f1a9ce748cb6acd1cc859117ba
a8e0ddb58abca302
0477eb017427552802c2419194c80a7ccb5a6cfcfb1477b75ed31b2ace882d75
a4dda9c03849be5c
9d5c340dd6ee89ca0719fd08e2eae0a83a9dbf702646a5a4904765901e9ad728
d93d2e33982b129d
595ce1ba880d4e61a9992454812998b51512d2d819f362e09d3984891d5b0ce3
a8458145c2f0e139
e9f63ba81dd62cf2eb13421308c9ec3201414588fcb2f0b2bb0f8cfdf6b6b2ee
a2cfcc8161593722
4c0eae588e4b0377ec51e1cb31f3be318a23045e9757f246842877d67cd0f3f9
82b27e77426c9cf3
039baddd4ffdac510b2d9c1aac1af503e479a74a78d482afc73dbdf457e5c373
aa9769a5973004a2
b6d055a5b3cf3fd0bf123b5ebfc9ab489f02656b93105ac0e4ec75441af31dab
7b4566df59a7b36f
398dafcceb5128fbd5c33ec2bfb067bea2955dff0e77a2e8a53dbd582d45a108
b1f933c1a897ba5a
eec1a9ea65cf6f2ccf40390d6567d86b8d123558f3b411241152ffc59e755a3f
0023b28c288594d1
f09962cb9d7cada2c57c704c940767a3112061b380e6669310fde1a928fd47d1
27aab1ff9b0fead5
e07157bde316a7b44fe4158cb17900f810dffd690bf82a78f865a2fbd74e43ed
25609ead3dfca468
e42e0daff89ccafe37c2ad79934e5a959f8835f9c9aa46766e42e325108ab63f
92ef63be131b43e4
d765bb99fdd68a69d632fe7cb4fccaa7486f83644de477e1f067ecce1948b7b6
43b5d80fe00d0f47
d021c7807cd7e6ae23cac4b0e6ae26d5a00470cddf3575984ba4ae48c925f758
ca4a2a92e1e6b7ee
4541e131dfdd2f47fe7ce90fda50603529609cd24e78bd4f7274a096c4ccd219
98452f4444951569
d6190dc72681127e5557e96fc01846b654065ef7dc7f15389826f4a874b1649a
fdb243c5e47c2d66
da96370e81d5c4a450539ac9113c7ddf36666453984fbe594c00958c51de07e7
$ niceblack.sh $BH $BC
__ __ __
/ / / /__ ____/ /__
/ _ \/ / _ \/ __/ '_/
/_.__/_/\___/\__/_/\_\
__________ ____ ___ ____
|_ < /_ |/ __/|_ ||_ /
_/_