# on receiving block 312388 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-07-09T05:29:14Z
# as written in the block header
2026-07-09T05:28:37Z
$ uptime # since last reboot
05:29:14 up 12 days, 22:00, 0 users, load average: 0.80, 1.34, 1.35
$ battery.sh
100%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1679588 kB
$ du -h -d1 .bitcoin/signet
308M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
566M .bitcoin/signet/blocks
3.9G .bitcoin/signet/chainstate
4.8G .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
312388
$ BH=$(bitcoin-cli -signet getblockhash 312388); echo $BH
0000000fb5012948550d85a7ded5eca039119a07d15b42612cc7c6e7c0c38472
$ bitcoin-cli -signet getblockheader 0000000fb5012948550d85a7ded5eca039119a07d15b42612cc7c6e7c0c38472
{
"hash": "0000000fb5012948550d85a7ded5eca039119a07d15b42612cc7c6e7c0c38472",
"confirmations": 1,
"height": 312388,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "3a31138d96b6a6a112f93e25dc6b0cc382f3af6d88be651b53f1aec128a5d59b",
"time": 1783574917,
"mediantime": 1783572822,
"nonce": 77870603,
"bits": "1d1539c3",
"target": "0000001539c30000000000000000000000000000000000000000000000000000",
"difficulty": 0.04711213096935177,
"chainwork": "00000000000000000000000000000000000000000000000000000edc22d2e909",
"nTx": 69,
"previousblockhash": "0000001010f621eeb37a4856766048285244c6c39cc2420c03accef3661b89f4"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...f b5.1 2948
55.d 85a7 ded5 eca.
3911 9a.7 d15b 4261
2cc7 c6e7 c.c3 8472
$ : 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
312388 sf: ...f b5.1 55.d eca. 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 .
312388 sk: 8472 91
$ : 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 .
312388 ak: e.24 91
$ : Following is the jointkode
312388 jk: 8472 e.24 91
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 124,
"bytes": 1671958,
"usage": 9957344,
"total_fee": 0.01672296,
"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
205
## Current epoch estimation is +3.68%
## 1924 of 2016, i.e. 95%, 92 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
349652.2473609188
$ bitcoin-cli -signet getnetworkhashps 2016 310463
337230.1211738132
$ bitcoin-cli -signet getnetworkhashps 2016 308447
350573.0694396333
$ bitcoin-cli -signet getblockstats 312388
{
"avgfee": 124427,
"avgfeerate": 35,
"avgtxsize": 7506,
"blockhash": "0000000fb5012948550d85a7ded5eca039119a07d15b42612cc7c6e7c0c38472",
"feerate_percentiles": [
1,
1,
1,
1,
1
],
"height": 312388,
"ins": 3283,
"maxfee": 6646863,
"maxfeerate": 40162,
"maxtxsize": 29643,
"medianfee": 1492,
"mediantime": 1783572822,
"mediantxsize": 418,
"minfee": 0,
"minfeerate": 0,
"mintxsize": 142,
"outs": 286,
"subsidy": 2500000000,
"swtotal_size": 510269,
"swtotal_weight": 952523,
"swtxs": 67,
"time": 1783574917,
"total_out": 3163816101115,
"total_size": 510411,
"total_weight": 953091,
"totalfee": 8461059,
"txs": 69,
"utxo_increase": -2997,
"utxo_size_inc": -212976,
"utxo_increase_actual": -3035,
"utxo_size_inc_actual": -217800
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 173563866,
"totalbytessent": 6920328089,
"timemillis": 1783574955148,
"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 8 8
out 11 11 2 1
total 19 19
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 892,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 892
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
17 "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
$ niceblack.sh $BH $BC
__ __ __
/ / / /__ ____/ /__
/ _ \/ / _ \/ __/ '_/
/_.__/_/\___/\__/_/\_\
__________ ____ ___ ___
|_ < /_ ||_ /( _ )( _ )
_/_