# on receiving block 307301 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-06-03T21:18:59Z
# as written in the block header
2026-06-03T21:18:43Z
$ uptime # since last reboot
21:18:59 up 76 days, 12:11, 0 users, load average: 1.69, 2.23, 2.33
$ battery.sh
163%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1356780 kB
$ du -h -d1 .bitcoin/signet
301M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
503M .bitcoin/signet/blocks
3.7G .bitcoin/signet/chainstate
4.6G .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
307301
$ BH=$(bitcoin-cli -signet getblockhash 307301); echo $BH
00000008307c0ffca4380209384691afb1b77d35585797d9c0eb4606e2c04e54
$ bitcoin-cli -signet getblockheader 00000008307c0ffca4380209384691afb1b77d35585797d9c0eb4606e2c04e54
{
"hash": "00000008307c0ffca4380209384691afb1b77d35585797d9c0eb4606e2c04e54",
"confirmations": 1,
"height": 307301,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "d936dc5b8f0433be625fe16d27b3759861ca58d76c55cf8dd2c44a06e397c359",
"time": 1780521523,
"mediantime": 1780518942,
"nonce": 129180138,
"bits": "1d1490f5",
"target": "0000001490f50000000000000000000000000000000000000000000000000000",
"difficulty": 0.04862263684784939,
"chainwork": "00000000000000000000000000000000000000000000000000000de6f75bd82e",
"nTx": 80,
"previousblockhash": "0000000e0dbea3d58a3f749cb1488ff4a69882dffd6d0c8c38a89371a591d96b"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...8 3.7c .ffc
a438 .2.9 3846 91af
b1b7 7d35 5857 97d9
c.eb 46.6 e2c. 4e54
$ : 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
307301 sf: ...8 3.7c .ffc .2.9 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 .
307301 sk: 4e54 81
$ : 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 .
307301 ak: 1925 81
$ : Following is the jointkode
307301 jk: 4e54 1925 81
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 5,
"bytes": 1418,
"usage": 66728,
"total_fee": 0.18656422,
"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
742
## Current epoch estimation is -0.46%
## 869 of 2016, i.e. 43%, 1147 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
346366.9504749373
$ bitcoin-cli -signet getnetworkhashps 2016 306431
347971.3775737199
$ bitcoin-cli -signet getnetworkhashps 2016 304415
339567.6604445974
$ bitcoin-cli -signet getblockstats 307301
{
"avgfee": 477984,
"avgfeerate": 1198,
"avgtxsize": 571,
"blockhash": "00000008307c0ffca4380209384691afb1b77d35585797d9c0eb4606e2c04e54",
"feerate_percentiles": [
0,
0,
1,
1,
2
],
"height": 307301,
"ins": 109,
"maxfee": 37722457,
"maxfeerate": 227930,
"maxtxsize": 6233,
"medianfee": 130,
"mediantime": 1780518942,
"mediantxsize": 205,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 502,
"subsidy": 2500000000,
"swtotal_size": 45044,
"swtotal_weight": 125489,
"swtxs": 78,
"time": 1780521523,
"total_out": 3320202590315,
"total_size": 45186,
"total_weight": 126057,
"totalfee": 37760745,
"txs": 80,
"utxo_increase": 393,
"utxo_size_inc": 33559,
"utxo_increase_actual": 354,
"utxo_size_inc_actual": 29256
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 654310382,
"totalbytessent": 18353387082,
"timemillis": 1780521540376,
"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 5 5
out 11 11 2 1
total 16 16
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1209,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1209
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
13 "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
c0f47823976b423a
161075faf19e1983e2d5cb593e6395c8408c228cffdcc8ad88d501db468cad96
40ec672fa3c05877
a23e152bd193bed947a5c41d92d23bdf00c87070969388f424525a6a385301af
34a9821b72444698
919c5ed77bc75090e18164d4a49ef4f4a140d790ac0dadb6daa7be7e9338f455
cde2eb7fe15f140e
78f1afad61732cb90d222c43c680d5b85a0bb85f36ad1e6fb9f5432372dc9384
7b4566df59a7b36f
add3f381ef7f486803cf4c5740cbc5be215df3a4cf483457c9f2e8d5d9485936
efc846ec47160038
4df6725b8c42554a1c51ab31847d4ef1cf0c32be873b4085a85c81e0c59c886c
0491a896711aa515
da03a9bfee46eb457553af9a85cddb507c17840af902ed50415d81c05063b975
82b27e77426c9cf3
4e6fe04a23e2742095b71a4f4152c2e08ab63d6eee2519f94b6561e4c687b257
fbd821fdb359baf5
255646205781f418ef424f78c4e92dd09ad7a401e2ffce10939687d2e546b4ee
7c4d3f859295c4d5
1b06d09b16d35ad0df37df554c9e21ccd70519eaac60b69cba1aeafbb67ee754
b33721e4c0a5f7ff
6f2b00b1d5b214f071222ec9a8ca0a6b71619a4ab32ad1b1213b26f6cf9cfd9f
42d6b7498898cae5
d3a09f56ec7b480c79eb9c9924eb0d1371364750ccd87b16889bf567789e7e16
97f39e2ca78e7cad
366fdbd5424d75107a10dafac65b93268156bc4487cd8f630bee0ca0006e4900
$ niceblack.sh $BH $BC
| | |
_ \ | _ \ _| | /
_.__/_|\___/\__|_\_\
__ / \__ /__ / \_ |
_ \ ( | / _ \ ( | |
___/\__/ _/ ___/\__/ _|
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...8 3.7c .ffc .f |
| 1. a438 .2.9 3846 91af 1f |
| 2. b1b7 7d35 5857 97d9 2f |
| 3. c.eb 46.6 e2c. 4e54 3f |
'=== ==== ==== ==== ==== ==='
jk: 4e54 1925 81