# on receiving block 303226 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-05-06T16:01:04Z
# as written in the block header
2026-05-06T16:00:56Z
$ uptime # since last reboot
16:01:04 up 48 days, 6:53, 0 users, load average: 2.67, 1.97, 1.52
$ battery.sh
156%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1970028 kB
$ du -h -d1 .bitcoin/signet
294M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
484M .bitcoin/signet/blocks
3.6G .bitcoin/signet/chainstate
4.5G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 435G 476G 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
303226
$ BH=$(bitcoin-cli -signet getblockhash 303226); echo $BH
0000000fbfc644d155887bb98c997e8807454a2fecaaeec7ff3e8f6fe686c79d
$ bitcoin-cli -signet getblockheader 0000000fbfc644d155887bb98c997e8807454a2fecaaeec7ff3e8f6fe686c79d
{
"hash": "0000000fbfc644d155887bb98c997e8807454a2fecaaeec7ff3e8f6fe686c79d",
"confirmations": 1,
"height": 303226,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "7cda2592bc1fa88d6de4de955d3edaabef39b22edbdbb83ae8d04e3732a74b23",
"time": 1778083256,
"mediantime": 1778078999,
"nonce": 64861354,
"bits": "1d14e3c0",
"target": "00000014e3c00000000000000000000000000000000000000000000000000000",
"difficulty": 0.04786986933757188,
"chainwork": "00000000000000000000000000000000000000000000000000000d24089633cc",
"nTx": 33,
"previousblockhash": "00000005ec1fdf52e0e881566da4ba5052d2c676f0b222c3047b26cd46632a63"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...f bfc6 44d1
5588 7bb9 8c99 7e88
.745 4a2f ecaa eec7
ff3e 8f6f e686 c79d
$ : 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
303226 sf: ...f .745 c79d
$ : 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 .
303226 sk: c79d d1
$ : 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 .
303226 ak: 3975 d1
$ : Following is the jointkode
303226 jk: c79d 3975 d1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 3,
"bytes": 533,
"usage": 11992,
"total_fee": 0.00000793,
"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
270
## Current epoch estimation is +1.17%
## 826 of 2016, i.e. 40%, 1190 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
346493.6026255183
$ bitcoin-cli -signet getnetworkhashps 2016 302399
342474.190435588
$ bitcoin-cli -signet getnetworkhashps 2016 300383
346462.8663674932
$ bitcoin-cli -signet getblockstats 303226
{
"avgfee": 908567,
"avgfeerate": 3251,
"avgtxsize": 354,
"blockhash": "0000000fbfc644d155887bb98c997e8807454a2fecaaeec7ff3e8f6fe686c79d",
"feerate_percentiles": [
0,
0,
0,
0,
4
],
"height": 303226,
"ins": 44,
"maxfee": 29066173,
"maxfeerate": 175626,
"maxtxsize": 3536,
"medianfee": 14,
"mediantime": 1778078999,
"mediantxsize": 191,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 135,
"subsidy": 2500000000,
"swtotal_size": 11204,
"swtotal_weight": 35204,
"swtxs": 31,
"time": 1778083256,
"total_out": 3134544953911,
"total_size": 11346,
"total_weight": 35772,
"totalfee": 29074166,
"txs": 33,
"utxo_increase": 91,
"utxo_size_inc": 8100,
"utxo_increase_actual": 53,
"utxo_size_inc_actual": 3960
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 107466762,
"totalbytessent": 2296863807,
"timemillis": 1778083265182,
"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 4 4
out 11 11 2 1
total 15 15
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 991,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 991
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
10 "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
959805e418b0c448c5b99a4aa9818b2780d45a2e24eead621b30a1c69117dc08
efc846ec47160038
23515fad66cae576bfb0a2e75e183ba5162a0971a27556aa2c5526b2f14a446a
ef33457b76d2201b
8541f703a08ac477cc6d03e73473cbbc7f7056779794cb46bd97b68b9c4cbb41
9c42b131cbafed94
3ecfcffdab1379ab706a1f30c80efe50bfb84bc45059b843337e7dae015ece3b
40ec672fa3c05877
0ff67211b52f61b884adf54811329e8624c984541eb70aaea3f2bf967ee3e4ef
b238f700f288e393
9e7a7b0e9c62c701bcc16e77954300df01af15cd02eefdff2bbd02dbbf48d46a
9550b66c9c9a91e5
6d49f06a840a446f3868bb055fbf2288eb9ad66a8c893700329fd3b6c80a6dbd
7e7f655db7dab3c7
afbeb3e6dea919acda79e5dc75987e86a4c71d361eb59d27679d7edec3cfdb3b
e55aabeb2f397365
0c3a493dda006a5d29e4b5954831cd58ca855bc350cdd31a89970bd7273784fc
1646d02090456745
6d48d7d4ba75ef7f19b22ac8a69ce0ce1b07ba0e11c71731fe808b3e00bba755
$ niceblack.sh $BH $BC
__ __ __
/ / / /__ ____/ /__
/ _ \/ / _ \/ __/ '_/
/_.__/_/\___/\__/_/\_\
____ ___ ____ ___ ___ ____
|_ // _ \|_ /|_ ||_ |/ __/
_/_