# on receiving block 303770 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-05-10T11:05:40Z
# as written in the block header
2026-05-10T11:00:53Z
$ uptime # since last reboot
11:05:40 up 52 days, 1:58, 0 users, load average: 2.80, 1.92, 1.55
$ battery.sh
156%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1812168 kB
$ du -h -d1 .bitcoin/signet
295M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
536M .bitcoin/signet/blocks
3.7G .bitcoin/signet/chainstate
4.5G .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
303770
$ BH=$(bitcoin-cli -signet getblockhash 303770); echo $BH
0000000b3e554815d32a60d532d8c7a17b1f625494c7aacddd6ed9deffad2fa2
$ bitcoin-cli -signet getblockheader 0000000b3e554815d32a60d532d8c7a17b1f625494c7aacddd6ed9deffad2fa2
{
"hash": "0000000b3e554815d32a60d532d8c7a17b1f625494c7aacddd6ed9deffad2fa2",
"confirmations": 1,
"height": 303770,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "b7c789f7ff1d829284c15e0593af42a6210f6631c328e224edc61eca26f6d990",
"time": 1778410853,
"mediantime": 1778407523,
"nonce": 105915188,
"bits": "1d14e3c0",
"target": "00000014e3c00000000000000000000000000000000000000000000000000000",
"difficulty": 0.04786986933757188,
"chainwork": "00000000000000000000000000000000000000000000000000000d3e133ce84c",
"nTx": 74,
"previousblockhash": "00000013c9b615faeaaab33aa0a7309e5308b274c18fa2eab58152c0509788fc"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...b 3e55 4815
d32a 6.d5 32d8 c7a1
7b1f 6254 94c7 aacd
dd6e d9de ffad 2fa2
$ : 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
303770 sf: ...b 6.d5 2fa2
$ : 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 .
303770 sk: 2fa2 d1
$ : 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 .
303770 ak: c333 d1
$ : Following is the jointkode
303770 jk: 2fa2 c333 d1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 13,
"bytes": 101947,
"usage": 128792,
"total_fee": 0.00410005,
"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
172
## Current epoch estimation is -0.35%
## 1370 of 2016, i.e. 67%, 646 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
341266.6677767652
$ bitcoin-cli -signet getnetworkhashps 2016 302399
342474.190435588
$ bitcoin-cli -signet getnetworkhashps 2016 300383
346462.8663674932
$ bitcoin-cli -signet getblockstats 303770
{
"avgfee": 278,
"avgfeerate": 0,
"avgtxsize": 420,
"blockhash": "0000000b3e554815d32a60d532d8c7a17b1f625494c7aacddd6ed9deffad2fa2",
"feerate_percentiles": [
0,
0,
0,
1,
1
],
"height": 303770,
"ins": 112,
"maxfee": 8687,
"maxfeerate": 5,
"maxtxsize": 8889,
"medianfee": 154,
"mediantime": 1778407523,
"mediantxsize": 205,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 190,
"outs": 346,
"subsidy": 2500000000,
"swtotal_size": 30681,
"swtotal_weight": 92679,
"swtxs": 73,
"time": 1778410853,
"total_out": 3106953413529,
"total_size": 30681,
"total_weight": 92679,
"totalfee": 20310,
"txs": 74,
"utxo_increase": 234,
"utxo_size_inc": 19969,
"utxo_increase_actual": 200,
"utxo_size_inc_actual": 16147
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 193381850,
"totalbytessent": 4758292162,
"timemillis": 1778411140911,
"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 3 3
out 11 11 2 1
total 14 14
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1139,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1139
}
}
### 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
4645feb2cf906cd2
c4082bbb625a57f7f3ec1d0b4b86b0651ecc6e67f5e9a05fdb756105d0ceda26
a9e407828463a7f3
484c4803675c8ef61c8430069c7c119d47dc733cb624f1027f0017b5a59d6a27
82b27e77426c9cf3
913e70512ec5b081a275d6a197efc02cd902f436c81ee90802cdd81390ba9900
b09801c8a5a79312
7b5f6b9eac88ded31db3a02500184b39cc14ac5ed994d6b7e86d83c108755a4c
9c92af8aca057984
b8a97b00edb43a58e6697fe6fdbb902a08b50490e5e9294543beb6926892c03b
914105f510058065
510245076f221513df06a491ca594c27f894dd33846ba3f41ab695eb402c40b5
a8458145c2f0e139
3646f6ddd92ef543b1b52afe8d1a95b8981dd7029644d1ff4804ccba2a13126d
846416a94258a525
a6d74157aa8b516ece6a62aac284077bbbedf6e2a18280b00972ee7214eda438
d59c745a0df48690
eb640867362de464cf0638b98e14b7b504c1b106ee3b08389bb941555c8baa89
c9fb67125f349ace
cda1f3683089ea35391aee8810d9c4917cbe7be4be98ba3de91608ce78e50b2e
$ niceblack.sh $BH $BC
_|_|_| _| _|_|_|
_| _| _| _|
_|_| _| _| _|_|
_| _| _| _|
_|_|_| _| _|_|_|
_|_|_|_|_| _|_|_|_|_| _|
_| _| _| _|
_| _| _| _|
_| _| _| _|
_| _| _|
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...b 3e55 4815 .f |
| 1. d32a 6.d5 32d8 c7a1 1f |
| 2. 7b1f 6254 94c7 aacd 2f |
| 3. dd6e d9de ffad 2fa2 3f |
'=== ==== ==== ==== ==== ==='
jk: 2fa2 c333 d1