# on receiving block 315515 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-07-30T23:45:21Z
# as written in the block header
2026-07-30T23:44:56Z
$ uptime # since last reboot
23:45:21 up 34 days, 16:16, 0 users, load average: 1.18, 1.31, 1.47
$ battery.sh
146%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1564444 kB
$ du -h -d1 .bitcoin/signet
319M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
568M .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
315515
$ BH=$(bitcoin-cli -signet getblockhash 315515); echo $BH
000000143bc360096621e25be25c610cb6eaa44c5f740cf42920b7adedf99c67
$ bitcoin-cli -signet getblockheader 000000143bc360096621e25be25c610cb6eaa44c5f740cf42920b7adedf99c67
{
"hash": "000000143bc360096621e25be25c610cb6eaa44c5f740cf42920b7adedf99c67",
"confirmations": 1,
"height": 315515,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "bfd82351414ab48387d5f6f172a2c73c2ac077a3d514b73ef13a626a1286016e",
"time": 1785455096,
"mediantime": 1785451126,
"nonce": 200510877,
"bits": "1d14d6ea",
"target": "00000014d6ea0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04798504544795561,
"chainwork": "00000000000000000000000000000000000000000000000000000f72e7244c5c",
"nTx": 158,
"previousblockhash": "0000000d3dd2fa00089908828febfce463c76c395c30a5fd328e9661c44c4bba"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ..14 3bc3 6..9
6621 e25b e25c 61.c
b6ea a44c 5f74 .cf4
292. b7ad edf9 9c67
$ : 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
315515 sf: ..14 6..9 61.c .cf4 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 .
315515 sk: 9c67 a1
$ : 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 .
315515 ak: f2c1 a1
$ : Following is the jointkode
315515 jk: 9c67 f2c1 a1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 5,
"bytes": 848,
"usage": 10616,
"total_fee": 0.00002526,
"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
322
## Current epoch estimation is +0.77%
## 1019 of 2016, i.e. 50%, 997 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
346136.8751006022
$ bitcoin-cli -signet getnetworkhashps 2016 314495
343484.4943123722
$ bitcoin-cli -signet getnetworkhashps 2016 312479
346247.1658164694
$ bitcoin-cli -signet getblockstats 315515
{
"avgfee": 2101,
"avgfeerate": 2,
"avgtxsize": 1569,
"blockhash": "000000143bc360096621e25be25c610cb6eaa44c5f740cf42920b7adedf99c67",
"feerate_percentiles": [
0,
1,
1,
3,
3
],
"height": 315515,
"ins": 575,
"maxfee": 141934,
"maxfeerate": 6,
"maxtxsize": 125365,
"medianfee": 23,
"mediantime": 1785451126,
"mediantxsize": 236,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 2930,
"subsidy": 2500000000,
"swtotal_size": 246208,
"swtotal_weight": 609025,
"swtxs": 156,
"time": 1785455096,
"total_out": 2096403182805,
"total_size": 246350,
"total_weight": 609593,
"totalfee": 330005,
"txs": 158,
"utxo_increase": 2355,
"utxo_size_inc": 169721,
"utxo_increase_actual": 2251,
"utxo_size_inc_actual": 161808
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 112450716,
"totalbytessent": 2528674161,
"timemillis": 1785455122071,
"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 8 8
out 11 11 2 1
total 19 19
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 956,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 956
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
18 "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
664d310ac05fdb04
a79386dcd473cd4da786e39ce798348fa8040a383b93f8ba7dccbaf073f340a2
$ niceblack.sh $BH $BC
_|_|_| _| _|_|_|_|
_| _|_| _|
_|_| _| _|_|_|
_| _| _|
_|_|_| _| _|_|_|
_|_|_|_| _| _|_|_|_|
_| _|_| _|
_|_|_| _| _|_|_|
_| _| _|
_|_|_| _| _|_|_|
,----- .123 4567 89ab cdef -----,
| |
| .. .... ..14 3bc3 6..9 .f |
| 1. 6621 e25b e25c 61.c 1f |
| 2. b6ea a44c 5f74 .cf4 2f |
| 3. 292. b7ad edf9 9c67 3f |
'=== ==== ==== ==== ==== ==='
jk: 9c67 f2c1 a1