# on receiving block 299944 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-04-13T16:09:34Z
# as written in the block header
2026-04-13T16:08:21Z
$ uptime # since last reboot
16:09:34 up 25 days, 7:02, 0 users, load average: 1.06, 1.34, 1.20
$ battery.sh
100%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 2228848 kB
$ du -h -d1 .bitcoin/signet
288M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
519M .bitcoin/signet/blocks
3.6G .bitcoin/signet/chainstate
4.4G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 434G 478G 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
299944
$ BH=$(bitcoin-cli -signet getblockhash 299944); echo $BH
0000000946f103cd54ae22e8947e13890fae8346ce9e0336cf698141ec3bf8b8
$ bitcoin-cli -signet getblockheader 0000000946f103cd54ae22e8947e13890fae8346ce9e0336cf698141ec3bf8b8
{
"hash": "0000000946f103cd54ae22e8947e13890fae8346ce9e0336cf698141ec3bf8b8",
"confirmations": 1,
"height": 299944,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "63a778e270c4bc110040b2b29c96cb3355d02ec17ed8639343ee8c2c665c73e7",
"time": 1776096501,
"mediantime": 1776093751,
"nonce": 604620804,
"bits": "1d1543df",
"target": "0000001543df0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04702464282152162,
"chainwork": "00000000000000000000000000000000000000000000000000000c862ae18b60",
"nTx": 35,
"previousblockhash": "000000081baf218e06970f616eb36bdd3ab71ac49b114fe8a4c2ddfd1b1677ec"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...9 46f1 .3cd
54ae 22e8 947e 1389
.fae 8346 ce9e .336
cf69 8141 ec3b f8b8
$ : 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
299944 sf: ...9 .3cd .fae .336 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 .
299944 sk: f8b8 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 .
299944 ak: af6f b1
$ : Following is the jointkode
299944 jk: f8b8 af6f b1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 7,
"bytes": 3938,
"usage": 25672,
"total_fee": 0.00005098,
"maxmempool": 100000000,
"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
282
## Current epoch estimation is +4.8%
## 1576 of 2016, i.e. 78%, 440 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
352636.1562468555
$ bitcoin-cli -signet getnetworkhashps 2016 298367
336459.3161092782
$ bitcoin-cli -signet getnetworkhashps 2016 296351
334019.4023418721
$ bitcoin-cli -signet getblockstats 299944
{
"avgfee": 694,
"avgfeerate": 2,
"avgtxsize": 388,
"blockhash": "0000000946f103cd54ae22e8947e13890fae8346ce9e0336cf698141ec3bf8b8",
"feerate_percentiles": [
1,
1,
2,
2,
2
],
"height": 299944,
"ins": 58,
"maxfee": 5793,
"maxfeerate": 19,
"maxtxsize": 2494,
"medianfee": 327,
"mediantime": 1776093751,
"mediantxsize": 191,
"minfee": 153,
"minfeerate": 1,
"mintxsize": 142,
"outs": 161,
"subsidy": 2500000000,
"swtotal_size": 13060,
"swtotal_weight": 36784,
"swtxs": 33,
"time": 1776096501,
"total_out": 3016132433460,
"total_size": 13202,
"total_weight": 37352,
"totalfee": 23599,
"txs": 35,
"utxo_increase": 103,
"utxo_size_inc": 7604,
"utxo_increase_actual": 67,
"utxo_size_inc_actual": 4872
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 24314066,
"totalbytessent": 823648220,
"timemillis": 1776096574709,
"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 6 6
out 11 11 2 1
total 17 17
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1731,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1731
}
}
### 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
82b27e77426c9cf3
b07a85f145b99acc9d4d5ba59a2394ddbc2df0b83b426721cebb5809000afa72
a4dda9c03849be5c
c5a1daa7652fa19adb03d5c6e5ae8770d2ddae65d4afffba1207bea9c37a8817
9550b66c9c9a91e5
15425ea4f148d1507f3c09828f04964ce1573056b00cff5e45d48e2c7331418d
4c5cd41e91d07bde
ed12296075c9fc334c40627e4b77cd75d7a00165817f120a5dac29bbb017febb
6f13f8eeb1cbbceb
ed754c6c755136e17083b79a61dee8984ff46f1f1dd50a03acee9a1d9a128d4f
38bf311b23e78a53
b1b8b20f3d5fd3a4644d7cd3a6d292be44e1752be93d5b05e534f168a9a3b465
f78ac7a6ec9d7800
a5162e07985a0ad6082d26cc8ce21edc09c1e7445b73b2731e6ae647a73e846d
c783c4b8210e776c
e5c71cc4d392f685f6cc0e62dcbb60f789a793827824eaa8f534b2a8aaa2eec3
ab8e04b0c605d97d
6aabf88d2ad49f48b8a07610b22daab12bbc57ea6c85276f8b34801063f5904f
54f960a8ec22498c
7a546d3938695e02ab89bbe9b688ee446a7fd1c0f0468de956ee5d1a4ca6e803
defcbd3c80789b5e
3cac7d8505deeb922cb33ef1cfef28a5f6e1971f40f497f84a277aadad1bbdd8
fbe97e3e767f9ec0
51c235bc64c6c05d2362034a5445971553e749cbf80e86c5eb65d87c930d3bf9
$ niceblack.sh $BH $BC
___ ___ ___
|__ \ / _ \ / _ \
) | (_) | (_) |
/ / \__, |\__, |
/ /_ / / / /
|____| /_/ /_/
___ _ _ _ _
/ _ \| || | | || |
| (_) | || |_| || |_
\__, |__ _|__ _|
/ / | | | |
/_/ |_| |_|
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...9 46f1 .3cd .f |
| 1. 54ae 22e8 947e 1389 1f |
| 2. .fae 8346 ce9e .336 2f |
| 3. cf69 8141 ec3b f8b8 3f |
'=== ==== ==== ==== ==== ==='
jk: f8b8 af6f b1