# on receiving block 304337 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-05-14T13:09:38Z
# as written in the block header
2026-05-14T13:09:35Z
$ uptime # since last reboot
13:09:38 up 56 days, 4:02, 0 users, load average: 2.19, 1.83, 1.81
$ battery.sh
159%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1575720 kB
$ du -h -d1 .bitcoin/signet
296M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
572M .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
304337
$ BH=$(bitcoin-cli -signet getblockhash 304337); echo $BH
0000000d8c021c1e2656a8635d070bb7526e9aa8ea1707e7ad36e0f9c0da2600
$ bitcoin-cli -signet getblockheader 0000000d8c021c1e2656a8635d070bb7526e9aa8ea1707e7ad36e0f9c0da2600
{
"hash": "0000000d8c021c1e2656a8635d070bb7526e9aa8ea1707e7ad36e0f9c0da2600",
"confirmations": 1,
"height": 304337,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "63a8b3cc4b6de1fc25236f82c8fef49640d91bce689ef98156fba6680a6388a3",
"time": 1778764175,
"mediantime": 1778762023,
"nonce": 12964396,
"bits": "1d14e3c0",
"target": "00000014e3c00000000000000000000000000000000000000000000000000000",
"difficulty": 0.04786986933757188,
"chainwork": "00000000000000000000000000000000000000000000000000000d5937c04ec8",
"nTx": 88,
"previousblockhash": "000000096a582a01928b3cb338030ac980f304c7561fb6089265bb97ebf7c32d"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...d 8c.2 1c1e
2656 a863 5d.7 .bb7
526e 9aa8 ea17 .7e7
ad36 e.f9 c.da 26..
$ : 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
304337 sf: ...d 8c.2 5d.7 .bb7 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 .
304337 sk: 26.. 71
$ : 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 .
304337 ak: c6b7 71
$ : Following is the jointkode
304337 jk: 2600 c6b7 71
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 3,
"bytes": 100325,
"usage": 124760,
"total_fee": 0.17982878,
"maxmempool": 300000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 2,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000,
"limitclustercount": 25,
"limitclustersize": 101000,
"optimal": true
}
$ gmm.sh
221
## Current epoch estimation is -0.41%
## 1937 of 2016, i.e. 96%, 79 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
341043.5710412107
$ bitcoin-cli -signet getnetworkhashps 2016 302399
342474.190435588
$ bitcoin-cli -signet getnetworkhashps 2016 300383
346462.8663674932
$ bitcoin-cli -signet getblockstats 304337
{
"avgfee": 279433,
"avgfeerate": 358,
"avgtxsize": 1125,
"blockhash": "0000000d8c021c1e2656a8635d070bb7526e9aa8ea1707e7ad36e0f9c0da2600",
"feerate_percentiles": [
1,
1,
2,
2,
2
],
"height": 304337,
"ins": 330,
"maxfee": 24122731,
"maxfeerate": 145756,
"maxtxsize": 33996,
"medianfee": 238,
"mediantime": 1778762023,
"mediantxsize": 266,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 1210,
"subsidy": 2500000000,
"swtotal_size": 97747,
"swtotal_weight": 271051,
"swtxs": 86,
"time": 1778764175,
"total_out": 3020779517545,
"total_size": 97889,
"total_weight": 271619,
"totalfee": 24310682,
"txs": 88,
"utxo_increase": 880,
"utxo_size_inc": 66252,
"utxo_increase_actual": 838,
"utxo_size_inc_actual": 61798
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 266415641,
"totalbytessent": 6983461058,
"timemillis": 1778764179613,
"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": 1025,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1025
}
}
### 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 -----,
| |
| .. .... ...d 8c.2 1c1e .f |
| 1. 2656 a863 5d.7 .bb7 1f |
| 2. 526e 9aa8 ea17 .7e7 2f |
| 3. ad36 e.f9 c.da 26.. 3f |
'=== ==== ==== ==== ==== ==='
jk: 26.. c6b7 71