# on receiving block 300755 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-04-19T09:01:14Z
# as written in the block header
2026-04-19T09:01:01Z
$ uptime # since last reboot
09:01:14 up 30 days, 23:54, 0 users, load average: 2.03, 1.70, 1.67
$ battery.sh
100%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1885096 kB
$ du -h -d1 .bitcoin/signet
289M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
447M .bitcoin/signet/blocks
3.6G .bitcoin/signet/chainstate
4.4G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 434G 477G 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
300755
$ BH=$(bitcoin-cli -signet getblockhash 300755); echo $BH
00000003cd4cd05d1df98120446899890640d92c818c9dfecf9c8ed0fda61399
$ bitcoin-cli -signet getblockheader 00000003cd4cd05d1df98120446899890640d92c818c9dfecf9c8ed0fda61399
{
"hash": "00000003cd4cd05d1df98120446899890640d92c818c9dfecf9c8ed0fda61399",
"confirmations": 1,
"height": 300755,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "dbab38418c39a34157183686a8d502bb238f9ba024e0c8824a645880050bf661",
"time": 1776589261,
"mediantime": 1776585478,
"nonce": 106290417,
"bits": "1d14a616",
"target": "00000014a6160000000000000000000000000000000000000000000000000000",
"difficulty": 0.0484282882981412,
"chainwork": "00000000000000000000000000000000000000000000000000000cacd3c5b0c0",
"nTx": 324,
"previousblockhash": "0000000db1c343a7aed706c057f471ecf8a2f81904c0cd0b0ddefa9fc5059d81"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...3 cd4c d.5d
1df9 812. 4468 9989
.64. d92c 818c 9dfe
cf9c 8ed. fda6 1399
$ : 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
300755 sf: ...3 d.5d 812. .64. 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 .
300755 sk: 1399 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 .
300755 ak: 3.47 a1
$ : Following is the jointkode
300755 jk: 1399 3.47 a1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 3,
"bytes": 878,
"usage": 21160,
"total_fee": 0.00001614,
"maxmempool": 100000000,
"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
128
## Current epoch estimation is +0.24%
## 371 of 2016, i.e. 18%, 1645 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
347327.0075629618
$ bitcoin-cli -signet getnetworkhashps 2016 300383
346462.8663674932
$ bitcoin-cli -signet getnetworkhashps 2016 298367
336459.3161092782
$ bitcoin-cli -signet getblockstats 300755
{
"avgfee": 7384,
"avgfeerate": 17,
"avgtxsize": 560,
"blockhash": "00000003cd4cd05d1df98120446899890640d92c818c9dfecf9c8ed0fda61399",
"feerate_percentiles": [
1,
1,
9,
46,
46
],
"height": 300755,
"ins": 694,
"maxfee": 2046436,
"maxfeerate": 46,
"maxtxsize": 44032,
"medianfee": 154,
"mediantime": 1776585478,
"mediantxsize": 257,
"minfee": 21,
"minfeerate": 0,
"mintxsize": 191,
"outs": 2401,
"subsidy": 2500000000,
"swtotal_size": 181166,
"swtotal_weight": 534545,
"swtxs": 323,
"time": 1776589261,
"total_out": 3270931295416,
"total_size": 181166,
"total_weight": 534545,
"totalfee": 2385150,
"txs": 324,
"utxo_increase": 1707,
"utxo_size_inc": 128067,
"utxo_increase_actual": 1608,
"utxo_size_inc_actual": 120411
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 157197050,
"totalbytessent": 4317917759,
"timemillis": 1776589275229,
"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 npr total block manual
in 2 1 3
out 11 0 11 2 1
total 13 1 14
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1533,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1533
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
7 "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
efc846ec47160038
7d757ad74aee9c61a49b7f752198d567d30032dacd47075529cf20d76c882a1d
82b27e77426c9cf3
9eb4c4760831cadfd736fea754c996f543777fd0bd4d90e09e5859d5137760c5
563b8894485c6787
4120a5e9498568a10f0045699a882e86ed917d759dc7118bc6bc8c0e4f846ed5
f78ac7a6ec9d7800
0d35289c2156aba4f72b8ef594430102c860e2ed8b14b30d839cde396d920adc
fa08293583b9d96a
486889e46aadc2916a32afb4766ce5a4795bf1eddcc886401e5e7b3ff6f1ba02
c9a9ad375627607c
58da2b0f99038507c007fc41f2b4d0ba5f77a285c8fbe220397d8ec910c5ba28
7f7ac3918cba8990
5597296eeb838ac7919cdcf277f05382d654909c3aa0f824179517c7d178ba0d
$ niceblack.sh $BH $BC
_|_|_| _| _|
_| _| _| _| _|
_|_| _| _| _| _|
_| _| _| _| _|
_|_|_| _| _|
_|_|_|_|_| _|_|_|_| _|_|_|_|
_| _| _|
_| _|_|_| _|_|_|
_| _| _|
_| _|_|_| _|_|_|
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...3 cd4c d.5d .f |
| 1. 1df9 812. 4468 9989 1f |
| 2. .64. d92c 818c 9dfe 2f |
| 3. cf9c 8ed. fda6 1399 3f |
'=== ==== ==== ==== ==== ==='
jk: 1399 3.47 a1