# on receiving block 316259 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-08-05T02:08:06Z
# as written in the block header
2026-08-05T02:07:10Z
$ uptime # since last reboot
02:08:06 up 39 days, 18:39, 0 users, load average: 0.77, 2.18, 2.50
$ battery.sh
173%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1481436 kB
$ du -h -d1 .bitcoin/signet
323M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
508M .bitcoin/signet/blocks
4.0G .bitcoin/signet/chainstate
4.9G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 435G 476G 48% /
$ bitcoind -version
Bitcoin Core daemon version v31.1.0 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
316259
$ BH=$(bitcoin-cli -signet getblockhash 316259); echo $BH
0000000cea26ccce741ba30f61d70072cf29f477b8aec104d6612a3ee8a27a21
$ bitcoin-cli -signet getblockheader 0000000cea26ccce741ba30f61d70072cf29f477b8aec104d6612a3ee8a27a21
{
"hash": "0000000cea26ccce741ba30f61d70072cf29f477b8aec104d6612a3ee8a27a21",
"confirmations": 1,
"height": 316259,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "f2018043122bc292d813b663ebe2fde332c8cf3181de1470c7b3895caec6adc1",
"time": 1785895630,
"mediantime": 1785892418,
"nonce": 375516842,
"bits": "1d14d6ea",
"target": "00000014d6ea0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04798504544795561,
"chainwork": "00000000000000000000000000000000000000000000000000000f969ab47544",
"nTx": 354,
"previousblockhash": "0000001155e469bab4f7abd67eaceee9c0e7f4cf3b13cc0fb1f0dd7b8fab986e"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...c ea26 ccce
741b a3.f 61d7 ..72
cf29 f477 b8ae c1.4
d661 2a3e e8a2 7a21
$ : 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
316259 sf: ...c a3.f ..72 c1.4 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 .
316259 sk: 7a21 b1
$ : 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 .
316259 ak: bc7d b1
$ : Following is the jointkode
316259 jk: 7a21 bc7d b1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 14293,
"bytes": 13397647,
"usage": 80196432,
"total_fee": 0.34598091,
"maxmempool": 300000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 46,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000,
"limitclustercount": 25,
"limitclustersize": 101000,
"optimal": true
}
$ gmm.sh
238
## Current epoch estimation is +0.35%
## 1763 of 2016, i.e. 87%, 253 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
344695.2500853618
$ bitcoin-cli -signet getnetworkhashps 2016 314495
343484.4943123722
$ bitcoin-cli -signet getnetworkhashps 2016 312479
346247.1658164694
$ bitcoin-cli -signet getblockstats 316259
{
"avgfee": 5095,
"avgfeerate": 7,
"avgtxsize": 1559,
"blockhash": "0000000cea26ccce741ba30f61d70072cf29f477b8aec104d6612a3ee8a27a21",
"feerate_percentiles": [
3,
3,
3,
5,
6
],
"height": 316259,
"ins": 1722,
"maxfee": 201117,
"maxfeerate": 1100,
"maxtxsize": 125365,
"medianfee": 1000,
"mediantime": 1785892418,
"mediantxsize": 222,
"minfee": 140,
"minfeerate": 1,
"mintxsize": 142,
"outs": 1977,
"subsidy": 2500000000,
"swtotal_size": 550366,
"swtotal_weight": 991048,
"swtxs": 352,
"time": 1785895630,
"total_out": 2638750302058,
"total_size": 550508,
"total_weight": 991616,
"totalfee": 1798565,
"txs": 354,
"utxo_increase": 255,
"utxo_size_inc": 12080,
"utxo_increase_actual": 218,
"utxo_size_inc_actual": 7296
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 225709239,
"totalbytessent": 2128209774,
"timemillis": 1785895687216,
"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 v31.1.0 signet - server 70016/Satoshi:31.1.0/
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": 1039,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1039
}
}
### 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
8378aed4888686a7
180e66c0b98e434592e3dbd9b7b139a065dbba704b14c17535fc5f975a223353
67000009c53131c4
7b3a7ea60de0d3c22ddfa2600126817581312a66cf0dcd49cdead2451e9c1419
82b27e77426c9cf3
9d3f03587621bb537484dbc04e653aff9477742fa0004d17f3407bc1fb8fc18f
efc846ec47160038
2684b56a5837e670dac768dfd028541672be0ee10dcbae36b1b9e14e1ea3545e
7d27257fcc87eff6
2bafb98084850f360f82aba9afda998560548e6368446c0338d6b953a390ab7c
9c7da292d5c1f1b0
c86868b163a34c17ed565a895ca4cc949ddca7a00efb6f10153ea76302de84c9
54d67c10592d10ea
6d82dbd576ba278404583f4ac6186dbeb0eebf3e1c2735525a6446ace054d354
21bc3e7a05497b1b
56173518161a64f19ae4fb145afc8a57533632c2e8b5506c112c7ba5860dfed2
9c92af8aca057984
5287094ea1d0afc2babe756aae0bc50de4fe7b57aebbb68ef54f7784e381f535
bf4a02f1cb6c2e66
0cbf4a54898bb2930956028aff636c9c586c2aa313e4d29c492d15216f1d0175
$ niceblack.sh $BH $BC
_____ _ __ ____ ____ ___
|___ // |/ /_ |___ \| ___|/ _ \
|_ \| | '_ \ __) |___ \ (_) |
___) | | (_) | / __/ ___) \__, |
|____/|_|\___/ |_____|____/ /_/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...c ea26 ccce .f |
| 1. 741b a3.f 61d7 ..72 1f |
| 2. cf29 f477 b8ae c1.4 2f |
| 3. d661 2a3e e8a2 7a21 3f |
'=== ==== ==== ==== ==== ==='
jk: 7a21 bc7d b1