# on receiving block 306991 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-06-01T18:11:54Z
# as written in the block header
2026-06-01T18:11:21Z
$ uptime # since last reboot
18:11:54 up 74 days, 9:04, 0 users, load average: 2.50, 2.32, 2.42
$ battery.sh
156%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1380064 kB
$ du -h -d1 .bitcoin/signet
300M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
468M .bitcoin/signet/blocks
3.7G .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
306991
$ BH=$(bitcoin-cli -signet getblockhash 306991); echo $BH
0000000474901b7de342341012631345a5fa54e82db0615c26eb50c867b9afc6
$ bitcoin-cli -signet getblockheader 0000000474901b7de342341012631345a5fa54e82db0615c26eb50c867b9afc6
{
"hash": "0000000474901b7de342341012631345a5fa54e82db0615c26eb50c867b9afc6",
"confirmations": 1,
"height": 306991,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "4abc152134e7bd3063d6bf6581d284d588a3463646f19275769f075cf9df659a",
"time": 1780337481,
"mediantime": 1780336616,
"nonce": 272237808,
"bits": "1d1490f5",
"target": "0000001490f50000000000000000000000000000000000000000000000000000",
"difficulty": 0.04862263684784939,
"chainwork": "00000000000000000000000000000000000000000000000000000dd7e49b8130",
"nTx": 34,
"previousblockhash": "00000007bb41fd3e3a068ae708c292f1d55254cf1bc0536ec68dafac2110e0b2"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...4 749. 1b7d
e342 341. 1263 1345
a5fa 54e8 2db. 615c
26eb 5.c8 67b9 afc6
$ : 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
306991 sf: ...4 749. 341. 2db. 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 .
306991 sk: afc6 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 .
306991 ak: ba3f a1
$ : Following is the jointkode
306991 jk: afc6 ba3f a1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 4,
"bytes": 1248,
"usage": 61376,
"total_fee": 0.00000806,
"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
481
## Current epoch estimation is -0.42%
## 559 of 2016, i.e. 27%, 1457 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
346495.8893329214
$ bitcoin-cli -signet getnetworkhashps 2016 306431
347971.3775737199
$ bitcoin-cli -signet getnetworkhashps 2016 304415
339567.6604445974
$ bitcoin-cli -signet getblockstats 306991
{
"avgfee": 5992,
"avgfeerate": 18,
"avgtxsize": 388,
"blockhash": "0000000474901b7de342341012631345a5fa54e82db0615c26eb50c867b9afc6",
"feerate_percentiles": [
0,
0,
0,
0,
1
],
"height": 306991,
"ins": 41,
"maxfee": 192616,
"maxfeerate": 1163,
"maxtxsize": 5022,
"medianfee": 14,
"mediantime": 1780336616,
"mediantxsize": 191,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 188,
"subsidy": 2500000000,
"swtotal_size": 12673,
"swtotal_weight": 41299,
"swtxs": 32,
"time": 1780337481,
"total_out": 3193958830763,
"total_size": 12815,
"total_weight": 41867,
"totalfee": 197759,
"txs": 34,
"utxo_increase": 147,
"utxo_size_inc": 12216,
"utxo_increase_actual": 110,
"utxo_size_inc_actual": 8160
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 606660727,
"totalbytessent": 17157700101,
"timemillis": 1780337514602,
"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": 1280,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1280
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
8 "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
$ niceblack.sh $BH $BC
____ ___ __ ___ ___ __
|___ \ / _ \ / / / _ \ / _ \/_ |
__) | | | |/ /_ | (_) | (_) || |
|__ <| | | | '_ \ \__, |\__, || |
___) | |_| | (_) | / / / / | |
|____/ \___/ \___/ /_/ /_/ |_|
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...4 749. 1b7d .f |
| 1. e342 341. 1263 1345 1f |
| 2. a5fa 54e8 2db. 615c 2f |
| 3. 26eb 5.c8 67b9 afc6 3f |
'=== ==== ==== ==== ==== ==='
jk: afc6 ba3f a1