# on receiving block 304213 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-05-13T17:56:45Z
# as written in the block header
2026-05-13T17:56:43Z
$ uptime # since last reboot
17:56:44 up 55 days, 8:49, 0 users, load average: 1.74, 2.08, 2.30
$ battery.sh
156%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1625120 kB
$ du -h -d1 .bitcoin/signet
296M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
571M .bitcoin/signet/blocks
3.7G .bitcoin/signet/chainstate
4.6G .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
304213
$ BH=$(bitcoin-cli -signet getblockhash 304213); echo $BH
000000128b72785781c295a0edd0eca7b4e8edf6e2f9f385c117232199117849
$ bitcoin-cli -signet getblockheader 000000128b72785781c295a0edd0eca7b4e8edf6e2f9f385c117232199117849
{
"hash": "000000128b72785781c295a0edd0eca7b4e8edf6e2f9f385c117232199117849",
"confirmations": 1,
"height": 304213,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "5159b6d4c22426d88edb25a31f16caeb358b506a17f34f32f36478f37b28ba48",
"time": 1778695003,
"mediantime": 1778692097,
"nonce": 3604343,
"bits": "1d14e3c0",
"target": "00000014e3c00000000000000000000000000000000000000000000000000000",
"difficulty": 0.04786986933757188,
"chainwork": "00000000000000000000000000000000000000000000000000000d5348259a58",
"nTx": 82,
"previousblockhash": "0000000c7c368cbdd93abc06ad819da4f7a463f7a964f4412b08af5f9aef59d2"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ..12 8b72 7857
81c2 95a. edd. eca7
b4e8 edf6 e2f9 f385
c117 2321 9911 7849
$ : 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
304213 sf: ..12 95a. edd. 7849
$ : 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 .
304213 sk: 7849 c1
$ : 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 .
304213 ak: ad2e c1
$ : Following is the jointkode
304213 jk: 7849 ad2e c1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 3,
"bytes": 100325,
"usage": 123224,
"total_fee": 0.00579949,
"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
237
## Current epoch estimation is -0.91%
## 1813 of 2016, i.e. 89%, 203 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
339343.7870156547
$ bitcoin-cli -signet getnetworkhashps 2016 302399
342474.190435588
$ bitcoin-cli -signet getnetworkhashps 2016 300383
346462.8663674932
$ bitcoin-cli -signet getblockstats 304213
{
"avgfee": 21084,
"avgfeerate": 67,
"avgtxsize": 406,
"blockhash": "000000128b72785781c295a0edd0eca7b4e8edf6e2f9f385c117232199117849",
"feerate_percentiles": [
0,
1,
1,
1,
1
],
"height": 304213,
"ins": 99,
"maxfee": 1676618,
"maxfeerate": 10130,
"maxtxsize": 11042,
"medianfee": 154,
"mediantime": 1778692097,
"mediantxsize": 205,
"minfee": 0,
"minfeerate": 0,
"mintxsize": 142,
"outs": 429,
"subsidy": 2500000000,
"swtotal_size": 32821,
"swtotal_weight": 100636,
"swtxs": 80,
"time": 1778695003,
"total_out": 3174577488759,
"total_size": 32963,
"total_weight": 101204,
"totalfee": 1707829,
"txs": 82,
"utxo_increase": 330,
"utxo_size_inc": 27664,
"utxo_increase_actual": 292,
"utxo_size_inc_actual": 23520
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 251964134,
"totalbytessent": 6605332880,
"timemillis": 1778695005965,
"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": 1057,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1057
}
}
### 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
be10f9fe00a0a33fad40d9d4824cb308bb9dfd771b14e13c9ed63291ded4e054
58cf5f4588d41478
6a708bd4b333800eb2e587edc870b68c062a06837d5337bd56e26d4c40ed948e
a5ca79adcadc71df
905a408f1f0d2ee01f051e42b641284f256b9c5204d89bd67aa0fd93a04b68da
531d9e5471001a55
b5ed87458425678d54d732ce65410848832fe4ca8b17eb6e892c85a3ff7ffd77
7985d4e63c59dc4d
d79da79712602bab1275862a8d76e1aaae22f490ce2c9edd88b6e306e74f8b7d
f2734dfe2ce64686
c368a2861d33949f2178382a7478b85e30e9d725c9d6c0b222d88cb6ee3801bc
57faa3297ecbe82d
14dbd53ae5d5f95d288a3b4b792ab9b381b82b8298d7721e10dad47495b3ab99
9550b66c9c9a91e5
f12fbed2deac06918e376b9b633441ef5aef2403c3a048bd595bdfa9e82f929d
79fc388c2941734e
39fb3510fd10f9c81142da3523617f1e25c5bcba650d24d032697feb5e8b5973
4b4cd050a957bd80
90f00cc786fd5e680b30c952033cb7a6bb39093892e6e2aeeffa41ded5a27439
$ niceblack.sh $BH $BC
_ _ _
| |__| |___ __| |__
| '_ \ / _ \/ _| / /
|_.__/_\___/\__|_\_\
____ __ _ _ ___ _ ____
|__ // \| | |_ ) |__ /
|_ \ () |_ _/ /| ||_ \
|___/\__/ |_/___|_|___/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ..12 8b72 7857 .f |
| 1. 81c2 95a. edd. eca7 1f |
| 2. b4e8 edf6 e2f9 f385 2f |
| 3. c117 2321 9911 7849 3f |
'=== ==== ==== ==== ==== ==='
jk: 7849 ad2e c1