# on receiving block 302123 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-04-29T00:48:17Z
# as written in the block header
2026-04-29T00:48:16Z
$ uptime # since last reboot
00:48:17 up 40 days, 15:41, 0 users, load average: 1.29, 1.60, 1.76
$ battery.sh
149%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1581508 kB
$ du -h -d1 .bitcoin/signet
291M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
538M .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 477G 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
302123
$ BH=$(bitcoin-cli -signet getblockhash 302123); echo $BH
00000010b44a972bfce02f06e258824ff10c8f1cbc249aae8e2cb787db37e833
$ bitcoin-cli -signet getblockheader 00000010b44a972bfce02f06e258824ff10c8f1cbc249aae8e2cb787db37e833
{
"hash": "00000010b44a972bfce02f06e258824ff10c8f1cbc249aae8e2cb787db37e833",
"confirmations": 1,
"height": 302123,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "0a6d8c9e4ab8f06a292a9a5d0e300c9f349b33029ef2aeb6b36fe1af3b062628",
"time": 1777423696,
"mediantime": 1777421214,
"nonce": 6514195,
"bits": "1d14a616",
"target": "00000014a6160000000000000000000000000000000000000000000000000000",
"difficulty": 0.0484282882981412,
"chainwork": "00000000000000000000000000000000000000000000000000000cef140146c0",
"nTx": 52,
"previousblockhash": "00000006e8ea8b0b990f71a5d4762043a6511b14ca782c149f3964df694628d6"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ..1. b44a 972b
fce. 2f.6 e258 824f
f1.c 8f1c bc24 9aae
8e2c b787 db37 e833
$ : 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
302123 sf: ..1. fce. 2f.6 f1.c 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 .
302123 sk: e833 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 .
302123 ak: c2b5 b1
$ : Following is the jointkode
302123 jk: e833 c2b5 b1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 4,
"bytes": 687,
"usage": 35200,
"total_fee": 0.00000480,
"maxmempool": 100000000,
"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 -1.02%
## 1739 of 2016, i.e. 86%, 277 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
342928.7272219709
$ bitcoin-cli -signet getnetworkhashps 2016 300383
346462.8663674932
$ bitcoin-cli -signet getnetworkhashps 2016 298367
336459.3161092782
$ bitcoin-cli -signet getblockstats 302123
{
"avgfee": 5804,
"avgfeerate": 8,
"avgtxsize": 934,
"blockhash": "00000010b44a972bfce02f06e258824ff10c8f1cbc249aae8e2cb787db37e833",
"feerate_percentiles": [
1,
8,
8,
15,
15
],
"height": 302123,
"ins": 164,
"maxfee": 144386,
"maxfeerate": 15,
"maxtxsize": 20525,
"medianfee": 428,
"mediantime": 1777421214,
"mediantxsize": 205,
"minfee": 154,
"minfeerate": 1,
"mintxsize": 142,
"outs": 561,
"subsidy": 2500000000,
"swtotal_size": 47508,
"swtotal_weight": 132270,
"swtxs": 50,
"time": 1777423696,
"total_out": 3168185728965,
"total_size": 47650,
"total_weight": 132838,
"totalfee": 296024,
"txs": 52,
"utxo_increase": 397,
"utxo_size_inc": 30712,
"utxo_increase_actual": 359,
"utxo_size_inc_actual": 26484
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 327997719,
"totalbytessent": 8396845859,
"timemillis": 1777423697924,
"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 npr total block manual
in 2 1 3
out 11 0 11 2 1
total 13 1 14
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1287,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1287
}
}
### 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
82b27e77426c9cf3
22b1a14eb4cd39535a58dc67ec7021f2038c3eeca5f7715963f525ecf167efed
7985d4e63c59dc4d
ac2c19342e479dc5464504b4fa45482988c79bee47c69014a9575637e009d7af
ae8d284a550f8f8a
bd34289918b66822b5942e048fd1b6ebf5cc3e9488db4f50f5a7d9dd78715989
8616846494019207
a2c8f268bcdca37161005dcb2879095500317aa97e08ad4ce2d5dcada418c8a4
4c5cd41e91d07bde
e6302782f97afb976dfa72a2d4a1dab3799ae06fcd4f2f04beef6c2c1e0e02e2
6314f8c19fd3f1fc
d29e40ad9b6312e0591114e493111cec9384631ceb4ae8aba7f89dd98a07ba42
9c92af8aca057984
2c16b5b29d14708545d988942be6416f66ed94919b757be906e1fc0801714904
2422645f1d448cf3
c2edf89e101a73785b53378d5ddc66e5d9adaf379f6f621958d791cf78ff0586
16625211a4b04e76
e88a25de7c0437b7d86dba5212775b561eb3f010ceafc92f36a015006ff3a065
cea111dec519b4b2
3da5c163d95a0c86069a774dbae1fbaa19d9230f41c773f0c752fb77af2a2e0d
$ niceblack.sh $BH $BC
_|_|_| _| _|_|
_| _| _| _| _|
_|_| _| _| _|
_| _| _| _|
_|_|_| _| _|_|_|_|
_| _|_| _|_|_|
_|_| _| _| _|
_| _| _|_|
_| _| _|
_| _|_|_|_| _|_|_|
,----- .123 4567 89ab cdef -----,
| |
| .. .... ..1. b44a 972b .f |
| 1. fce. 2f.6 e258 824f 1f |
| 2. f1.c 8f1c bc24 9aae 2f |
| 3. 8e2c b787 db37 e833 3f |
'=== ==== ==== ==== ==== ==='
jk: e833 c2b5 b1