# on receiving block 304906 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-05-18T10:09:32Z
# as written in the block header
2026-05-18T10:09:27Z
$ uptime # since last reboot
10:09:32 up 60 days, 1:02, 0 users, load average: 1.68, 2.03, 2.06
$ battery.sh
163%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1478012 kB
$ du -h -d1 .bitcoin/signet
296M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
486M .bitcoin/signet/blocks
3.7G .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
304906
$ BH=$(bitcoin-cli -signet getblockhash 304906); echo $BH
00000013b5ae6963695f571471c3865ea798d04e3f4892be23e0109297309362
$ bitcoin-cli -signet getblockheader 00000013b5ae6963695f571471c3865ea798d04e3f4892be23e0109297309362
{
"hash": "00000013b5ae6963695f571471c3865ea798d04e3f4892be23e0109297309362",
"confirmations": 1,
"height": 304906,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "427581efa95b89d6506158b78c367055d9522b16898fbb9d8f332bce2845b0e6",
"time": 1779098967,
"mediantime": 1779095028,
"nonce": 37828364,
"bits": "1d15102a",
"target": "00000015102a0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04747557581386184,
"chainwork": "00000000000000000000000000000000000000000000000000000d7443365c4c",
"nTx": 71,
"previousblockhash": "0000000024fc624bc9224f67c18c7462548e1a9c2e5eb7ec54a9264ab7929229"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ..13 b5ae 6963
695f 5714 71c3 865e
a798 d.4e 3f48 92be
23e. 1.92 973. 9362
$ : 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
304906 sf: ..13 d.4e 23e. 1.92 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 .
304906 sk: 9362 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 .
304906 ak: f8.8 a1
$ : Following is the jointkode
304906 jk: 9362 f8.8 a1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 1,
"bytes": 142,
"usage": 28680,
"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
178
## Current epoch estimation is +0%
## 490 of 2016, i.e. 24%, 1526 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
339573.5886552535
$ bitcoin-cli -signet getnetworkhashps 2016 304415
339567.6604445974
$ bitcoin-cli -signet getnetworkhashps 2016 302399
342474.190435588
$ bitcoin-cli -signet getblockstats 304906
{
"avgfee": 137311,
"avgfeerate": 300,
"avgtxsize": 603,
"blockhash": "00000013b5ae6963695f571471c3865ea798d04e3f4892be23e0109297309362",
"feerate_percentiles": [
0,
1,
1,
1,
3
],
"height": 304906,
"ins": 91,
"maxfee": 9513620,
"maxfeerate": 57484,
"maxtxsize": 16124,
"medianfee": 202,
"mediantime": 1779095028,
"mediantxsize": 251,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 630,
"subsidy": 2500000000,
"swtotal_size": 42128,
"swtotal_weight": 127208,
"swtxs": 69,
"time": 1779098967,
"total_out": 3398363127476,
"total_size": 42270,
"total_weight": 127776,
"totalfee": 9611837,
"txs": 71,
"utxo_increase": 539,
"utxo_size_inc": 42726,
"utxo_increase_actual": 501,
"utxo_size_inc_actual": 38608
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 333083341,
"totalbytessent": 8603608076,
"timemillis": 1779098973046,
"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 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": 1134,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1134
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
9 "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
29a6f4ac6aa43f08af35547819922f5e967641a9d65a94b494c82ac26a695a07
39235a0b1d5527e7
95922c68c22a20fed80df23cd85406c5a305e424c854cbb07950ad67f3190702
a9e407828463a7f3
fda7c5b3505bee36b3a9c66e49ccadaa96d5e2dfc7c3d2f019a54ee4c3bdeba5
c2df4db43254cb32
dca64f72c53dc18778ffb7cdd3dcad00519b68f53dab670373ab683c43de0ae1
6314f8c19fd3f1fc
a787db2d728fe91dc7a58a44c1654f94bcf49fdb219f80d6ffc69a6cfc3c3274
58cf5f4588d41478
7bf7615f24ef55828c98274187a3a29a26c06cc14ac18b693737ad59a0fb05d8
a8458145c2f0e139
265ae59bb7dc7d01b1113737050b4ecfd6d18a1f896cff2b059cbb260d5dc7c3
1be57ab10ba0682c
2e7a5cfacffd322fde6ba6dd6a7460bb55d99cda26883b8be36df302a0034eeb
82fab7a90cabd40c
cc447826dbdd34a76324acf6c0f6abcce95a3ef3bd9a410520828303709b8651
$ niceblack.sh $BH $BC
_ _ _
| |__| |___ __| |__
| '_ \ / _ \/ _| / /
|_.__/_\___/\__|_\_\
____ __ _ _ ___ __ __
|__ // \| | |/ _ \/ \ / /
|_ \ () |_ _\_, / () / _ \
|___/\__/ |_| /_/ \__/\___/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ..13 b5ae 6963 .f |
| 1. 695f 5714 71c3 865e 1f |
| 2. a798 d.4e 3f48 92be 2f |
| 3. 23e. 1.92 973. 9362 3f |
'=== ==== ==== ==== ==== ==='
jk: 9362 f8.8 a1