# on receiving block 302931 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-05-04T13:41:02Z
# as written in the block header
2026-05-04T13:40:59Z
$ uptime # since last reboot
13:41:02 up 46 days, 4:33, 0 users, load average: 1.66, 2.01, 1.98
$ battery.sh
149%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 2075020 kB
$ du -h -d1 .bitcoin/signet
294M .bitcoin/signet/indexes
25M .bitcoin/signet/wallets
465M .bitcoin/signet/blocks
3.6G .bitcoin/signet/chainstate
4.4G .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
302931
$ BH=$(bitcoin-cli -signet getblockhash 302931); echo $BH
00000002f6bcf3043ce28fa85324618e6779424af85bbc758d3fa44f57d45660
$ bitcoin-cli -signet getblockheader 00000002f6bcf3043ce28fa85324618e6779424af85bbc758d3fa44f57d45660
{
"hash": "00000002f6bcf3043ce28fa85324618e6779424af85bbc758d3fa44f57d45660",
"confirmations": 1,
"height": 302931,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "fb6487a0008841e9534faea16d2833255784075622840590f542755141572671",
"time": 1777902059,
"mediantime": 1777898698,
"nonce": 24456918,
"bits": "1d14e3c0",
"target": "00000014e3c00000000000000000000000000000000000000000000000000000",
"difficulty": 0.04786986933757188,
"chainwork": "00000000000000000000000000000000000000000000000000000d15e9662790",
"nTx": 82,
"previousblockhash": "0000001365a9327e88ea75597a311f360bb2d8635309bde2a0ddea45b89b8d63"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...2 f6bc f3.4
3ce2 8fa8 5324 618e
6779 424a f85b bc75
8d3f a44f 57d4 566.
$ : 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
302931 sf: ...2 f3.4 566.
$ : 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 .
302931 sk: 566. c1
$ : 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 .
302931 ak: cd83 c1
$ : Following is the jointkode
302931 jk: 5660 cd83 c1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 2,
"bytes": 337,
"usage": 7344,
"total_fee": 0.00000147,
"maxmempool": 300000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 0,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000,
"limitclustercount": 25,
"limitclustersize": 101000,
"optimal": true
}
$ gmm.sh
191
## Current epoch estimation is +1.08%
## 531 of 2016, i.e. 26%, 1485 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
346183.4333066415
$ bitcoin-cli -signet getnetworkhashps 2016 302399
342474.190435588
$ bitcoin-cli -signet getnetworkhashps 2016 300383
346462.8663674932
$ bitcoin-cli -signet getblockstats 302931
{
"avgfee": 20552,
"avgfeerate": 38,
"avgtxsize": 721,
"blockhash": "00000002f6bcf3043ce28fa85324618e6779424af85bbc758d3fa44f57d45660",
"feerate_percentiles": [
0,
1,
1,
1,
10
],
"height": 302931,
"ins": 209,
"maxfee": 1530029,
"maxfeerate": 9244,
"maxtxsize": 16892,
"medianfee": 94,
"mediantime": 1777898698,
"mediantxsize": 257,
"minfee": 0,
"minfeerate": 0,
"mintxsize": 142,
"outs": 799,
"subsidy": 2500000000,
"swtotal_size": 58298,
"swtotal_weight": 170264,
"swtxs": 80,
"time": 1777902059,
"total_out": 3655363048515,
"total_size": 58440,
"total_weight": 170832,
"totalfee": 1664754,
"txs": 82,
"utxo_increase": 590,
"utxo_size_inc": 45275,
"utxo_increase_actual": 538,
"utxo_size_inc_actual": 40080
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 83245388,
"totalbytessent": 1393481967,
"timemillis": 1777902062920,
"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 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": 1013,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1013
}
}
### 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
959805e418b0c448c5b99a4aa9818b2780d45a2e24eead621b30a1c69117dc08
efc846ec47160038
23515fad66cae576bfb0a2e75e183ba5162a0971a27556aa2c5526b2f14a446a
acbcec5aeca1972b
7f6ee8916e190c93e3be93d2f4cc5a7880fea6f67179f18623aca8139847120e
ef33457b76d2201b
8541f703a08ac477cc6d03e73473cbbc7f7056779794cb46bd97b68b9c4cbb41
9c42b131cbafed94
3ecfcffdab1379ab706a1f30c80efe50bfb84bc45059b843337e7dae015ece3b
40ec672fa3c05877
0ff67211b52f61b884adf54811329e8624c984541eb70aaea3f2bf967ee3e4ef
b238f700f288e393
9e7a7b0e9c62c701bcc16e77954300df01af15cd02eefdff2bbd02dbbf48d46a
9550b66c9c9a91e5
6d49f06a840a446f3868bb055fbf2288eb9ad66a8c893700329fd3b6c80a6dbd
7e7f655db7dab3c7
afbeb3e6dea919acda79e5dc75987e86a4c71d361eb59d27679d7edec3cfdb3b
fe90c7d502897523
afe4d6c6100bbb31a491db8cdb4496a646a6c8900e8915cc32fcbea582e8b8de
$ niceblack.sh $BH $BC
##### ### #####
# # # # # #
# # # #
##### # # #####
# # # #
# # # # #
##### ### #######
##### ##### #
# # # # ##
# # # # #
###### ##### #
# # #
# # # # #
##### ##### #####
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...2 f6bc f3.4 .f |
| 1. 3ce2 8fa8 5324 618e 1f |
| 2. 6779 424a f85b bc75 2f |
| 3. 8d3f a44f 57d4 566. 3f |
'=== ==== ==== ==== ==== ==='
jk: 566. cd83 c1