# on receiving block 309756 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-06-21T06:39:54Z
# as written in the block header
2026-06-21T06:37:49Z
$ uptime # since last reboot
06:39:54 up 93 days, 21:32, 0 users, load average: 2.64, 2.53, 2.29
$ battery.sh
169%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1090152 kB
$ du -h -d1 .bitcoin/signet
306M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
552M .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
309756
$ BH=$(bitcoin-cli -signet getblockhash 309756); echo $BH
000000072cda122b33e38ae0c4723a1055399f8bd913dbbbb695e7bebfe1c76e
$ bitcoin-cli -signet getblockheader 000000072cda122b33e38ae0c4723a1055399f8bd913dbbbb695e7bebfe1c76e
{
"hash": "000000072cda122b33e38ae0c4723a1055399f8bd913dbbbb695e7bebfe1c76e",
"confirmations": 1,
"height": 309756,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "8ea1f048badfb8061e17f1684ba404ddad0f6bcb00cff642c9d530ec617b7e14",
"time": 1782023869,
"mediantime": 1782020124,
"nonce": 849418564,
"bits": "1d146a04",
"target": "000000146a040000000000000000000000000000000000000000000000000000",
"difficulty": 0.04898494610796347,
"chainwork": "00000000000000000000000000000000000000000000000000000e5ecf97c753",
"nTx": 1,
"previousblockhash": "00000002ea535dfb5f2712ce5ccdcbec4c59609e249aab3a00fef55a0163b30a"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...7 2cda 122b
33e3 8ae. c472 3a1.
5539 9f8b d913 dbbb
b695 e7be bfe1 c76e
$ : 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
309756 sf: ...7 8ae. 3a1. c76e
$ : 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 .
309756 sk: c76e 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 .
309756 ak: 9829 c1
$ : Following is the jointkode
309756 jk: c76e 9829 c1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 51,
"bytes": 16518,
"usage": 156888,
"total_fee": 0.01594006,
"maxmempool": 300000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 0,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000,
"limitclustercount": 25,
"limitclustersize": 101000,
"optimal": true
}
$ gmm.sh
213
## Current epoch estimation is -1.7%
## 1308 of 2016, i.e. 64%, 708 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
344606.5183263388
$ bitcoin-cli -signet getnetworkhashps 2016 308447
350573.0694396333
$ bitcoin-cli -signet getnetworkhashps 2016 306431
347971.3775737199
$ bitcoin-cli -signet getblockstats 309756
{
"avgfee": 0,
"avgfeerate": 0,
"avgtxsize": 0,
"blockhash": "000000072cda122b33e38ae0c4723a1055399f8bd913dbbbb695e7bebfe1c76e",
"feerate_percentiles": [
0,
0,
0,
0,
0
],
"height": 309756,
"ins": 0,
"maxfee": 0,
"maxfeerate": 0,
"maxtxsize": 0,
"medianfee": 0,
"mediantime": 1782020124,
"mediantxsize": 0,
"minfee": 0,
"minfeerate": 0,
"mintxsize": 0,
"outs": 2,
"subsidy": 2500000000,
"swtotal_size": 0,
"swtotal_weight": 0,
"swtxs": 0,
"time": 1782023869,
"total_out": 0,
"total_size": 0,
"total_weight": 0,
"totalfee": 0,
"txs": 1,
"utxo_increase": 2,
"utxo_size_inc": 241,
"utxo_increase_actual": 1,
"utxo_size_inc_actual": 72
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 1017397527,
"totalbytessent": 29860720066,
"timemillis": 1782023995018,
"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 1 1
out 11 11 2 1
total 12 12
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1098,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1098
}
}
### 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
6d928997571421d84825693fc526996aa6e1a3b30a218f08245455915dd885f6
cb6d7e2c716bdfc5
c6d449cfc835bd1b0c81c088218e7506cf27ab370765bec060746281f82317b8
413f26415640e02d
7a18f1fec68aa5e4cd694d87672fe64c4a4a213f93edf50d718800dbd9d114ab
a9e407828463a7f3
2287ad6e342f4e285295f5e082798682c11defc8cb74c39fdc096783e543c0f9
efc846ec47160038
821d903b964a4c3739c662d4473bbda54f275d94076f3926a632dd434f2c2a42
0023b28c288594d1
397c9fe047401b6e16a8a5cd0cc1c61fc73e1fb805cd2c66aed9eabfd91563af
cab8c858635df991
de316c5e0e73f11000d8e2c4290f938da5f52bbd1441ac6249062704e3daf52a
d1880a75a2e73e6a
6f07fae3e688c085e3c5952040511902c3024f13caa9c6a4a749be9d93b4e7f8
2c92bdda6fb6f85d
8efa1fe298d7780e56e47dfa41dc191d605004950a957b6a7fa1965544dc994c
$ niceblack.sh $BH $BC
_ _ _
| | | | | |
| | | | __ __ | |
|/ \_|/ / \_/ |/_)
\_/ |__/\__/ \___/| \_/
___ __ _______ ____ __
/ \ / \ / | /| /
__/| |\_/| / |___ | __
\| | | / \|/ \
\___/ \__/ |/ \___/ \__/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...7 2cda 122b .f |
| 1. 33e3 8ae. c472 3a1. 1f |
| 2. 5539 9f8b d913 dbbb 2f |
| 3. b695 e7be bfe1 c76e 3f |
'=== ==== ==== ==== ==== ==='
jk: c76e 9829 c1