# on receiving block 316421 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-08-06T02:35:19Z
# as written in the block header
2026-08-06T02:35:11Z
$ uptime # since last reboot
02:35:19 up 40 days, 19:06, 0 users, load average: 1.87, 3.14, 3.52
$ battery.sh
177%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1385572 kB
$ du -h -d1 .bitcoin/signet
325M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
456M .bitcoin/signet/blocks
4.0G .bitcoin/signet/chainstate
4.8G .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
316421
$ BH=$(bitcoin-cli -signet getblockhash 316421); echo $BH
00000008873cfda7a1c1048442a456a9cc186414c35b01079c9dbbb2f2ea2b70
$ bitcoin-cli -signet getblockheader 00000008873cfda7a1c1048442a456a9cc186414c35b01079c9dbbb2f2ea2b70
{
"hash": "00000008873cfda7a1c1048442a456a9cc186414c35b01079c9dbbb2f2ea2b70",
"confirmations": 1,
"height": 316421,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "6d607a3cfa0555dd1be4a017998302d1370be9a48a0f581553a1e32d77a402ac",
"time": 1785983711,
"mediantime": 1785980913,
"nonce": 66716156,
"bits": "1d14d6ea",
"target": "00000014d6ea0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04798504544795561,
"chainwork": "00000000000000000000000000000000000000000000000000000f9e60c56566",
"nTx": 13,
"previousblockhash": "0000001159fbcd587d2b0e4095b856faef5b6013e79144c3395cdc4e0c6a5122"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...8 873c fda7
a1c1 .484 42a4 56a9
cc18 6414 c35b .1.7
9c9d bbb2 f2ea 2b7.
$ : 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
316421 sf: ...8 .484 .1.7 2b7.
$ : 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 .
316421 sk: 2b7. 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 .
316421 ak: 5f3e b1
$ : Following is the jointkode
316421 jk: 2b70 5f3e b1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 32,
"bytes": 4964,
"usage": 43320,
"total_fee": 0.00041630,
"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
203
## Current epoch estimation is +2.12%
## 1925 of 2016, i.e. 95%, 91 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
350768.8809345181
$ bitcoin-cli -signet getnetworkhashps 2016 314495
343484.4943123722
$ bitcoin-cli -signet getnetworkhashps 2016 312479
346247.1658164694
$ bitcoin-cli -signet getblockstats 316421
{
"avgfee": 14846,
"avgfeerate": 31,
"avgtxsize": 865,
"blockhash": "00000008873cfda7a1c1048442a456a9cc186414c35b01079c9dbbb2f2ea2b70",
"feerate_percentiles": [
1,
2,
2,
2,
4
],
"height": 316421,
"ins": 66,
"maxfee": 162937,
"maxfeerate": 1004,
"maxtxsize": 7443,
"medianfee": 275,
"mediantime": 1785980913,
"mediantxsize": 224,
"minfee": 154,
"minfeerate": 1,
"mintxsize": 205,
"outs": 33,
"subsidy": 2500000000,
"swtotal_size": 10166,
"swtotal_weight": 21677,
"swtxs": 11,
"time": 1785983711,
"total_out": 262050186531,
"total_size": 10390,
"total_weight": 22573,
"totalfee": 178154,
"txs": 13,
"utxo_increase": -33,
"utxo_size_inc": -2029,
"utxo_increase_actual": -37,
"utxo_size_inc_actual": -2436
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 298045289,
"totalbytessent": 2875558032,
"timemillis": 1785983720229,
"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": 1009,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1009
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
11 "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
d1aaa84ff0573a7e
aea7ee8f2bbe2d16dd5b0a11350ef78731af1f56ca3a69896ccea1d337638cb4
$ niceblack.sh $BH $BC
_____ _ __ _ _ ____ _
|___ // |/ /_ | || ||___ \/ |
|_ \| | '_ \ | || |_ __) | |
___) | | (_) | |__ _/ __/| |
|____/|_|\___/ |_||_____|_|
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...8 873c fda7 .f |
| 1. a1c1 .484 42a4 56a9 1f |
| 2. cc18 6414 c35b .1.7 2f |
| 3. 9c9d bbb2 f2ea 2b7. 3f |
'=== ==== ==== ==== ==== ==='
jk: 2b7. 5f3e b1