# on receiving block 310376 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-06-25T17:26:29Z
# as written in the block header
2026-06-25T17:26:21Z
$ uptime # since last reboot
17:26:28 up 8:20, 0 users, load average: 0.84, 0.74, 0.83
$ battery.sh
100%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 2357172 kB
$ du -h -d1 .bitcoin/signet
305M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
461M .bitcoin/signet/blocks
3.8G .bitcoin/signet/chainstate
4.6G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 436G 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
<https://bitcoincore.org/> for further information about the software.
The source code is available from <https://github.com/bitcoin/bitcoin>.
This is experimental software.
Distributed under the MIT software license, see the accompanying file COPYING
or <https://opensource.org/license/MIT>
$ BC=$(bitcoin-cli -signet getblockcount); echo $BC
310376
$ BH=$(bitcoin-cli -signet getblockhash 310376); echo $BH
0000000bfd3243c8569a71f53c8bd982e0982af4de0755a745b791c5b66bc858
$ bitcoin-cli -signet getblockheader 0000000bfd3243c8569a71f53c8bd982e0982af4de0755a745b791c5b66bc858
{
"hash": "0000000bfd3243c8569a71f53c8bd982e0982af4de0755a745b791c5b66bc858",
"confirmations": 1,
"height": 310376,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "ffe18268b4b55756f2e1b33e7f1e42af04207d323809044930217a8edb900572",
"time": 1782408381,
"mediantime": 1782406066,
"nonce": 56433429,
"bits": "1d146a04",
"target": "000000146a040000000000000000000000000000000000000000000000000000",
"difficulty": 0.04898494610796347,
"chainwork": "00000000000000000000000000000000000000000000000000000e7d2e9a25a7",
"nTx": 91,
"previousblockhash": "0000000728704beffee173995aea714029c587ddeaa607c8962cc0c899c50025"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...b fd32 43c8
569a 71f5 3c8b d982
e.98 2af4 de.7 55a7
45b7 91c5 b66b c858
$ : 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
310376 sf: ...b e.98 de.7 c858
$ : 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 .
310376 sk: c858 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 .
310376 ak: 971a c1
$ : Following is the jointkode
310376 jk: c858 971a c1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 2,
"bytes": 296,
"usage": 2864,
"total_fee": 0.00000634,
"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
1204
## Current epoch estimation is -4.57%
## 1928 of 2016, i.e. 95%, 88 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
334532.128880319
$ bitcoin-cli -signet getnetworkhashps 2016 308447
350573.0694396333
$ bitcoin-cli -signet getnetworkhashps 2016 306431
347971.3775737199
$ bitcoin-cli -signet getblockstats 310376
{
"avgfee": 1113,
"avgfeerate": 2,
"avgtxsize": 526,
"blockhash": "0000000bfd3243c8569a71f53c8bd982e0982af4de0755a745b791c5b66bc858",
"feerate_percentiles": [
1,
1,
1,
1,
1
],
"height": 310376,
"ins": 95,
"maxfee": 27300,
"maxfeerate": 149,
"maxtxsize": 24944,
"medianfee": 154,
"mediantime": 1782406066,
"mediantxsize": 205,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 749,
"subsidy": 2500000000,
"swtotal_size": 47265,
"swtotal_weight": 157311,
"swtxs": 89,
"time": 1782408381,
"total_out": 3236156599063,
"total_size": 47407,
"total_weight": 157879,
"totalfee": 100218,
"txs": 91,
"utxo_increase": 654,
"utxo_size_inc": 55107,
"utxo_increase_actual": 617,
"utxo_size_inc_actual": 51072
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 1765274,
"totalbytessent": 32445054,
"timemillis": 1782408389368,
"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 0 0
out 11 11 2 1
total 11 11
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 995,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 995
}
}
### 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
a0a01dcc07ff2a95d66dac222813b0a2fb7fa0c4d4ab255ce01590ba4c52e5dc
9c42b131cbafed94
554e7d2514b9f16e994709e166dd3dd50f02ee2dec03150be416dd51ecdc5c24
1e317f594ee5ba7c
1f93a55a68306832c7fe70266b6a62c6f6b3583bc767b34a88446ec01c791812
58cf5f4588d41478
0a634a123d8a9e9dcd8cceb80459b0bbe8b88d0fdc5e9231f8b076c42705ff69
d4831807489046eb
63988d674e11ea627c7007e9dd410799c79594f1a4007c8fb2c5c520f9f79af0
42d6b7498898cae5
18fe7c405154c8a05af8e8d93eda78bf7c73de5bd809e0adb6a1be25298481c1
cb6d7e2c716bdfc5
47b33ee6e4375d6403d0d531ab23915cf82dcf78a86d48ef1890f57d6f9add32
efc846ec47160038
22d8af4ec93bd24547556280cf3a361682449fca9a421b3a29febca083009a77
613c72b9071be384
aced426f689d333c71324c90b351c06c122aacff80739ba8848959d3c66f3195
$ niceblack.sh $BH $BC
_|_|_| _| _|
_| _|_| _| _|
_|_| _| _| _|
_| _| _| _|
_|_|_| _| _|
_|_|_| _|_|_|_|_| _|_|_|
_| _| _|
_|_| _| _|_|_|
_| _| _| _|
_|_|_| _| _|_|
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...b fd32 43c8 .f |
| 1. 569a 71f5 3c8b d982 1f |
| 2. e.98 2af4 de.7 55a7 2f |
| 3. 45b7 91c5 b66b c858 3f |
'=== ==== ==== ==== ==== ==='
jk: c858 971a c1