# on receiving block 315490 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-07-30T19:07:24Z
# as written in the block header
2026-07-30T19:05:15Z
$ uptime # since last reboot
19:07:24 up 34 days, 11:38, 0 users, load average: 2.29, 3.38, 2.90
$ battery.sh
146%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1527388 kB
$ du -h -d1 .bitcoin/signet
319M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
551M .bitcoin/signet/blocks
3.9G .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
315490
$ BH=$(bitcoin-cli -signet getblockhash 315490); echo $BH
0000000429e6b5d1ad2747b2fa38523add4ed186201bdd2a1ff371f8d5fcd423
$ bitcoin-cli -signet getblockheader 0000000429e6b5d1ad2747b2fa38523add4ed186201bdd2a1ff371f8d5fcd423
{
"hash": "0000000429e6b5d1ad2747b2fa38523add4ed186201bdd2a1ff371f8d5fcd423",
"confirmations": 1,
"height": 315490,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "ae27b4c3d548a0ba76da7d2b867622a18e2d97e00b73699667d26ef4eb5aa9e0",
"time": 1785438315,
"mediantime": 1785436203,
"nonce": 1042624614,
"bits": "1d14d6ea",
"target": "00000014d6ea0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04798504544795561,
"chainwork": "00000000000000000000000000000000000000000000000000000f71b4086683",
"nTx": 597,
"previousblockhash": "0000000e5b6f3bd18498a09a67a58f7adb036badab6e46d615fb70586821feaa"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...4 29e6 b5d1
ad27 47b2 fa38 523a
dd4e d186 2.1b dd2a
1ff3 71f8 d5fc d423
$ : 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
315490 sf: ...4 2.1b d423
$ : 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 .
315490 sk: d423 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 .
315490 ak: 4.89 d1
$ : Following is the jointkode
315490 jk: d423 4.89 d1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 22,
"bytes": 4302,
"usage": 34848,
"total_fee": 0.00010569,
"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
195
## Current epoch estimation is +1.12%
## 994 of 2016, i.e. 49%, 1022 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
347338.8791351598
$ bitcoin-cli -signet getnetworkhashps 2016 314495
343484.4943123722
$ bitcoin-cli -signet getnetworkhashps 2016 312479
346247.1658164694
$ bitcoin-cli -signet getblockstats 315490
{
"avgfee": 126,
"avgfeerate": 0,
"avgtxsize": 339,
"blockhash": "0000000429e6b5d1ad2747b2fa38523add4ed186201bdd2a1ff371f8d5fcd423",
"feerate_percentiles": [
0,
0,
0,
0,
0
],
"height": 315490,
"ins": 614,
"maxfee": 32163,
"maxfeerate": 6,
"maxtxsize": 51002,
"medianfee": 21,
"mediantime": 1785436203,
"mediantxsize": 257,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 3240,
"subsidy": 2500000000,
"swtotal_size": 202228,
"swtotal_weight": 616600,
"swtxs": 595,
"time": 1785438315,
"total_out": 2733577707400,
"total_size": 202370,
"total_weight": 617168,
"totalfee": 75498,
"txs": 597,
"utxo_increase": 2626,
"utxo_size_inc": 194997,
"utxo_increase_actual": 2087,
"utxo_size_inc_actual": 152100
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 102822901,
"totalbytessent": 2178787946,
"timemillis": 1785438444969,
"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 7 7
out 11 11 2 1
total 18 18
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 957,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 957
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
17 "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
9550b66c9c9a91e5
6ef263cfb0efd20ea94ba65a1eee88fd7cbceca02fc82f9621602f67800c1c6c
c47f9308f875cb6f
3af78d335d69c04e765dd04d61ae8bf31a7a83a65796840a64d2f363f2136764
acbcec5aeca1972b
8f4f681a39287c8e0609e743b1148ba70d6756e767a2855acb55e57f4ea06158
4645feb2cf906cd2
0af4c6ee891dd14a0b37ae43fd61d9090e3d9c165b4fbeadd16049897e895f31
7338c08342087a97
8381be066ea5bfff4ec6343b2cceafdaa0d3a4b583f6d8034780bcccaecd6554
82b27e77426c9cf3
8d9b96ae5404bfa3fda413f8c9e9beb3478813a3fa3efffe614c67140fec5e73
7407e3f1086351c1
96538e8ee2cc5af1edfda55fee5ff0174e10ddd06101d66558f6a693e837c9c8
318db5aec0bb42f2
497be3fa635a9b8efddd021e5c47d57e7af2aa9c7f370d4b57dcbe5f853d2a07
2df6270d415f3c95
446cb0cb5591af67ff2b0892560d2662bd83086a3d809dbee957d50d27b5bdb0
15efa24ad7cf7ca6
fd7502f4a1e637842e5078469a2c5ba9fb0d0e34457fb8fa55881b6a0fd2693f
35e2a230edacc2ab
3135fdc56f3c5dab003aff6c87f9f2cd2ea66dea870f0f35d6dd808d0a3fe047
fac4f933c663d2d5
65efb918d47e94c090526f3e7ec0ba34ecbe7f2320460dc8045fe94fbcaf4ca4
38d905a743a73543
74cc20f5697a5b858506e4a526d075fca57c9a196992fc5be497804d58522b62
c0528ddd9e8cb6fc
aa9152ad20b610bc03d0385da14d8870e63e986f4dcd4307262e821c1d89fe73
ed507550423d53d2
12bab1a0cbad2298cf7bdee6d8686494a3cf48bccbf0a3bca4e1a4a05ff3d9d1
69dddcbe58700892
83f45179114615265e327e6327c6e817670ed3d373ee9daef65cd8013eddbe62
c1a6a71b41d8531c
402ad7af3b8ea96606883990d7a8b91b6bcd53b29c9888c6a654a06bcd6b44b0
$ niceblack.sh $BH $BC
_ _ _
| |__| |___ __| |__
| '_ \ / _ \/ _| / /
|_.__/_\___/\__|_\_\
_____ ___ _ _ ___ __
|__ / | __| | |/ _ \/ \
|_ \ |__ \_ _\_, / () |
|___/_|___/ |_| /_/ \__/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...4 29e6 b5d1 .f |
| 1. ad27 47b2 fa38 523a 1f |
| 2. dd4e d186 2.1b dd2a 2f |
| 3. 1ff3 71f8 d5fc d423 3f |
'=== ==== ==== ==== ==== ==='
jk: d423 4.89 d1