# on receiving block 303637 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-05-09T16:32:49Z
# as written in the block header
2026-05-09T16:32:43Z
$ uptime # since last reboot
16:32:49 up 51 days, 7:25, 0 users, load average: 3.95, 2.16, 1.84
$ battery.sh
153%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1639268 kB
$ du -h -d1 .bitcoin/signet
295M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
519M .bitcoin/signet/blocks
3.6G .bitcoin/signet/chainstate
4.5G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 435G 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
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
303637
$ BH=$(bitcoin-cli -signet getblockhash 303637); echo $BH
00000001fe6ec563d2d9efd58ddc6734d27e1e101a7a15fc4dd09f96e0e01f83
$ bitcoin-cli -signet getblockheader 00000001fe6ec563d2d9efd58ddc6734d27e1e101a7a15fc4dd09f96e0e01f83
{
"hash": "00000001fe6ec563d2d9efd58ddc6734d27e1e101a7a15fc4dd09f96e0e01f83",
"confirmations": 1,
"height": 303637,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "691802d3c8971080ebdc52f93e4d577d50cae55e8e4c90b2ec47ff3f717e7f38",
"time": 1778344363,
"mediantime": 1778340933,
"nonce": 46324956,
"bits": "1d14e3c0",
"target": "00000014e3c00000000000000000000000000000000000000000000000000000",
"difficulty": 0.04786986933757188,
"chainwork": "00000000000000000000000000000000000000000000000000000d37b556f958",
"nTx": 62,
"previousblockhash": "00000004e2aa99160341e2d602ee0a0a9c77f509b049f67d4946087b302839cf"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...1 fe6e c563
d2d9 efd5 8ddc 6734
d27e 1e1. 1a7a 15fc
4dd. 9f96 e.e. 1f83
$ : 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
303637 sf: ...1 1e1. 4dd. e.e. 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 .
303637 sk: 1f83 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 .
303637 ak: .225 b1
$ : Following is the jointkode
303637 jk: 1f83 .225 b1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 5,
"bytes": 1055,
"usage": 19944,
"total_fee": 0.00001632,
"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
536
## Current epoch estimation is -0.99%
## 1237 of 2016, i.e. 61%, 779 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
339072.1545024114
$ bitcoin-cli -signet getnetworkhashps 2016 302399
342474.190435588
$ bitcoin-cli -signet getnetworkhashps 2016 300383
346462.8663674932
$ bitcoin-cli -signet getblockstats 303637
{
"avgfee": 53122,
"avgfeerate": 172,
"avgtxsize": 418,
"blockhash": "00000001fe6ec563d2d9efd58ddc6734d27e1e101a7a15fc4dd09f96e0e01f83",
"feerate_percentiles": [
0,
0,
0,
1,
2
],
"height": 303637,
"ins": 103,
"maxfee": 3224816,
"maxfeerate": 19485,
"maxtxsize": 5515,
"medianfee": 154,
"mediantime": 1778340933,
"mediantxsize": 205,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 231,
"subsidy": 2500000000,
"swtotal_size": 25367,
"swtotal_weight": 74450,
"swtxs": 60,
"time": 1778344363,
"total_out": 3072614717463,
"total_size": 25509,
"total_weight": 75018,
"totalfee": 3240471,
"txs": 62,
"utxo_increase": 128,
"utxo_size_inc": 11313,
"utxo_increase_actual": 91,
"utxo_size_inc_actual": 7257
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 176632594,
"totalbytessent": 4339814930,
"timemillis": 1778344370608,
"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 12 12
out 11 11 2 1
total 23 23
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1027,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1027
}
}
### 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
82b27e77426c9cf3
959805e418b0c448c5b99a4aa9818b2780d45a2e24eead621b30a1c69117dc08
efc846ec47160038
23515fad66cae576bfb0a2e75e183ba5162a0971a27556aa2c5526b2f14a446a
ef33457b76d2201b
8541f703a08ac477cc6d03e73473cbbc7f7056779794cb46bd97b68b9c4cbb41
9c42b131cbafed94
3ecfcffdab1379ab706a1f30c80efe50bfb84bc45059b843337e7dae015ece3b
40ec672fa3c05877
0ff67211b52f61b884adf54811329e8624c984541eb70aaea3f2bf967ee3e4ef
b238f700f288e393
9e7a7b0e9c62c701bcc16e77954300df01af15cd02eefdff2bbd02dbbf48d46a
9550b66c9c9a91e5
6d49f06a840a446f3868bb055fbf2288eb9ad66a8c893700329fd3b6c80a6dbd
7e7f655db7dab3c7
afbeb3e6dea919acda79e5dc75987e86a4c71d361eb59d27679d7edec3cfdb3b
e55aabeb2f397365
0c3a493dda006a5d29e4b5954831cd58ca855bc350cdd31a89970bd7273784fc
a07e98ad3b5e49b4
4780eaaa451a566d2fd1e2b199989ce83a42458e9632f020b1e434ce0d22b56b
d0a200cccdf524e8
614cc4f3fa2a68e86693885f99c60946eec6d2b268a7d8494364562687ba2e80
77390972dabb150e
650c6a216870ea93fad745dad28e558da300a68fbd3a48ab9c3a88863dc454f8
06933e20915524cb
0fd31fbeb97768058caa3a395da5a70e8ab630c197f70202dc131ed4055a20dd
124019daac79335a
ce893f3fd5d4cf2a3976953c5100a1df55a49d4d2aa9c3828d0f6f4ef0b163b6
0ca993b802f9861e
f660fbdaa6d17d8f24a11f4f206d59f8e6e74a2e824d18eb25810d009a00e348
081239081aaf3e39
78d4f4f242cf6b4b216a61ce81bddb79f8aa7ef9cba64d7851a7ab867657ef65
61a419d2572b28f2
9e573360e35edb043628dda98f0dfbe354f23b5e2ab8fbdc4118272319c99d6b
5de17468dd862d80
dd9ce614bf6291d0b2769f904fc0c0219ee5c59d9306a5635dfc13ca7616b1e4
$ niceblack.sh $BH $BC
_ _ _
| |__| |___ __| |__
| '_ \ / _ \/ _| / /
|_.__/_\___/\__|_\_\
____ __ ____ __ ________
|__ // \__ / / /|__ /__ |
|_ \ () |_ \/ _ \|_ \ / /
|___/\__/___/\___/___//_/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...1 fe6e c563 .f |
| 1. d2d9 efd5 8ddc 6734 1f |
| 2. d27e 1e1. 1a7a 15fc 2f |
| 3. 4dd. 9f96 e.e. 1f83 3f |
'=== ==== ==== ==== ==== ==='
jk: 1f83 .225 b1