# on receiving block 312073 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-07-07T00:45:45Z
# as written in the block header
2026-07-07T00:45:21Z
$ uptime # since last reboot
00:45:45 up 10 days, 17:16, 0 users, load average: 1.49, 1.09, 0.90
$ battery.sh
96%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1742924 kB
$ du -h -d1 .bitcoin/signet
308M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
548M .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
312073
$ BH=$(bitcoin-cli -signet getblockhash 312073); echo $BH
0000001291a289188d35fc1349455380076b05eb9b2b8000fb64c4bff3cb5b30
$ bitcoin-cli -signet getblockheader 0000001291a289188d35fc1349455380076b05eb9b2b8000fb64c4bff3cb5b30
{
"hash": "0000001291a289188d35fc1349455380076b05eb9b2b8000fb64c4bff3cb5b30",
"confirmations": 1,
"height": 312073,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "5ad98c27ee2d0b9a2a5b4ad774cbd1b28327dad31387391462fe99a09e8cb24e",
"time": 1783385121,
"mediantime": 1783383408,
"nonce": 12520567,
"bits": "1d1539c3",
"target": "0000001539c30000000000000000000000000000000000000000000000000000",
"difficulty": 0.04711213096935177,
"chainwork": "00000000000000000000000000000000000000000000000000000ecd4ba4c712",
"nTx": 54,
"previousblockhash": "000000096ec6fd452cbac2b84fd23d924866d7a101ea18e406a223c557afc281"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ..12 91a2 8918
8d35 fc13 4945 538.
.76b .5eb 9b2b 8...
fb64 c4bf f3cb 5b3.
$ : 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
312073 sf: ..12 538. .76b .5eb 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 .
312073 sk: 5b3. 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 .
312073 ak: fdc. 91
$ : Following is the jointkode
312073 jk: 5b30 fdc. 91
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 1,
"bytes": 142,
"usage": 19624,
"total_fee": 0.00000480,
"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
217
## Current epoch estimation is +3.46%
## 1609 of 2016, i.e. 79%, 407 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
348912.1957270099
$ bitcoin-cli -signet getnetworkhashps 2016 310463
337230.1211738132
$ bitcoin-cli -signet getnetworkhashps 2016 308447
350573.0694396333
$ bitcoin-cli -signet getblockstats 312073
{
"avgfee": 11789,
"avgfeerate": 24,
"avgtxsize": 623,
"blockhash": "0000001291a289188d35fc1349455380076b05eb9b2b8000fb64c4bff3cb5b30",
"feerate_percentiles": [
0,
0,
0,
1,
3
],
"height": 312073,
"ins": 89,
"maxfee": 440926,
"maxfeerate": 2664,
"maxtxsize": 14658,
"medianfee": 104,
"mediantime": 1783383408,
"mediantxsize": 193,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 520,
"subsidy": 2500000000,
"swtotal_size": 32899,
"swtotal_weight": 103441,
"swtxs": 52,
"time": 1783385121,
"total_out": 3110174585426,
"total_size": 33041,
"total_weight": 104009,
"totalfee": 624846,
"txs": 54,
"utxo_increase": 431,
"utxo_size_inc": 33634,
"utxo_increase_actual": 393,
"utxo_size_inc_actual": 28812
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 129641792,
"totalbytessent": 5875292511,
"timemillis": 1783385145827,
"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 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": 810,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 810
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
12 "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
c6963b343d29a419
296e5fadec187b3ed9b4d728b869733d865b15f2b2e972b01538fcbe95dce8c5
509e8cf1d81d4e1b
642952a21735f675365a4ba6275410552b40ef9bdb9a03f7035fcf236b1704c7
02bcf475afe48ca6
53d6cb57a43722ec0bf4189a66dd1a08513bedb3ae5ffb861f6db30605622cca
d3a35fabb60fb123
f4f5e89ebf6e3fa51a409f0b560276d4201040c057d28751179c8a69a9461f63
6314f8c19fd3f1fc
6c073ab1fbebc65165ae40daaeac9c44c96950f1a9ce748cb6acd1cc859117ba
a8e0ddb58abca302
0477eb017427552802c2419194c80a7ccb5a6cfcfb1477b75ed31b2ace882d75
a4dda9c03849be5c
9d5c340dd6ee89ca0719fd08e2eae0a83a9dbf702646a5a4904765901e9ad728
d93d2e33982b129d
595ce1ba880d4e61a9992454812998b51512d2d819f362e09d3984891d5b0ce3
a8458145c2f0e139
e9f63ba81dd62cf2eb13421308c9ec3201414588fcb2f0b2bb0f8cfdf6b6b2ee
a2cfcc8161593722
4c0eae588e4b0377ec51e1cb31f3be318a23045e9757f246842877d67cd0f3f9
82b27e77426c9cf3
039baddd4ffdac510b2d9c1aac1af503e479a74a78d482afc73dbdf457e5c373
7b712a5b7546e8ef
cc38608eaf4f2a1b994d3d23e71850cf97b3564d83a894967a3e9d30e05053e6
$ niceblack.sh $BH $BC
__ __ __
/ / / /__ ____/ /__
/ _ \/ / _ \/ __/ '_/
/_.__/_/\___/\__/_/\_\
__________ ___ ________
|_ < /_ |/ _ \/_ /_ /
_/_