# on receiving block 309898 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-06-22T07:36:43Z
# as written in the block header
2026-06-22T07:36:04Z
$ uptime # since last reboot
07:36:43 up 94 days, 22:29, 0 users, load average: 2.13, 2.73, 2.77
$ battery.sh
171%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1122568 kB
$ du -h -d1 .bitcoin/signet
306M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
569M .bitcoin/signet/blocks
3.8G .bitcoin/signet/chainstate
4.7G .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
309898
$ BH=$(bitcoin-cli -signet getblockhash 309898); echo $BH
000000126af8216bc0a9394fa7c7ac4f6d30f756040a102c5fa2a2fab956c989
$ bitcoin-cli -signet getblockheader 000000126af8216bc0a9394fa7c7ac4f6d30f756040a102c5fa2a2fab956c989
{
"hash": "000000126af8216bc0a9394fa7c7ac4f6d30f756040a102c5fa2a2fab956c989",
"confirmations": 1,
"height": 309898,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "e60f3abdae9e40f74145244814b450e8012def82cb691d004414e103e1694c5b",
"time": 1782113764,
"mediantime": 1782110630,
"nonce": 310645880,
"bits": "1d146a04",
"target": "000000146a040000000000000000000000000000000000000000000000000000",
"difficulty": 0.04898494610796347,
"chainwork": "00000000000000000000000000000000000000000000000000000e65c45220a5",
"nTx": 125,
"previousblockhash": "00000003825de73043c0f26e616addb6c3d5c76e86ba10e27ee1e0c16e18d12c"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ..12 6af8 216b
c.a9 394f a7c7 ac4f
6d3. f756 .4.a 1.2c
5fa2 a2fa b956 c989
$ : 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
309898 sf: ..12 c.a9 6d3. .4.a 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 .
309898 sk: c989 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 .
309898 ak: ba28 a1
$ : Following is the jointkode
309898 jk: c989 ba28 a1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 12,
"bytes": 2120,
"usage": 102320,
"total_fee": 0.00002563,
"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
247
## Current epoch estimation is -2.02%
## 1450 of 2016, i.e. 71%, 566 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
343476.8275316417
$ bitcoin-cli -signet getnetworkhashps 2016 308447
350573.0694396333
$ bitcoin-cli -signet getnetworkhashps 2016 306431
347971.3775737199
$ bitcoin-cli -signet getblockstats 309898
{
"avgfee": 8662,
"avgfeerate": 25,
"avgtxsize": 437,
"blockhash": "000000126af8216bc0a9394fa7c7ac4f6d30f756040a102c5fa2a2fab956c989",
"feerate_percentiles": [
0,
0,
0,
1,
1
],
"height": 309898,
"ins": 154,
"maxfee": 623255,
"maxfeerate": 3765,
"maxtxsize": 20092,
"medianfee": 154,
"mediantime": 1782110630,
"mediantxsize": 205,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 761,
"subsidy": 2500000000,
"swtotal_size": 54069,
"swtotal_weight": 167943,
"swtxs": 123,
"time": 1782113764,
"total_out": 3106145546604,
"total_size": 54211,
"total_weight": 168511,
"totalfee": 1074130,
"txs": 125,
"utxo_increase": 607,
"utxo_size_inc": 49124,
"utxo_increase_actual": 569,
"utxo_size_inc_actual": 44985
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 1032197586,
"totalbytessent": 30459050494,
"timemillis": 1782113803824,
"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": 1035,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1035
}
}
### 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
6d928997571421d84825693fc526996aa6e1a3b30a218f08245455915dd885f6
cb6d7e2c716bdfc5
c6d449cfc835bd1b0c81c088218e7506cf27ab370765bec060746281f82317b8
413f26415640e02d
7a18f1fec68aa5e4cd694d87672fe64c4a4a213f93edf50d718800dbd9d114ab
a9e407828463a7f3
2287ad6e342f4e285295f5e082798682c11defc8cb74c39fdc096783e543c0f9
efc846ec47160038
821d903b964a4c3739c662d4473bbda54f275d94076f3926a632dd434f2c2a42
0023b28c288594d1
397c9fe047401b6e16a8a5cd0cc1c61fc73e1fb805cd2c66aed9eabfd91563af
cab8c858635df991
de316c5e0e73f11000d8e2c4290f938da5f52bbd1441ac6249062704e3daf52a
d1880a75a2e73e6a
6f07fae3e688c085e3c5952040511902c3024f13caa9c6a4a749be9d93b4e7f8
2c92bdda6fb6f85d
8efa1fe298d7780e56e47dfa41dc191d605004950a957b6a7fa1965544dc994c
c3725707c7756fe6
8619afa0b5b4e446579caeafc01bcfb03d1e2c256e3151c95c9ed5b6ba93c4fc
$ niceblack.sh $BH $BC
____ ___ ___
|___ \ / _ \ / _ \
__) | | | | (_) |
|__ <| | | |\__, |
___) | |_| | / /
|____/ \___/ /_/
___ ___ ___
/ _ \ / _ \ / _ \
| (_) | (_) | (_) |
> _ < \__, |> _ <
| (_) | / /| (_) |
\___/ /_/ \___/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ..12 6af8 216b .f |
| 1. c.a9 394f a7c7 ac4f 1f |
| 2. 6d3. f756 .4.a 1.2c 2f |
| 3. 5fa2 a2fa b956 c989 3f |
'=== ==== ==== ==== ==== ==='
jk: c989 ba28 a1