# on receiving block 306402 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-05-28T15:28:24Z
# as written in the block header
2026-05-28T15:28:20Z
$ uptime # since last reboot
15:28:24 up 70 days, 6:21, 0 users, load average: 2.12, 2.56, 2.44
$ battery.sh
163%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1319776 kB
$ du -h -d1 .bitcoin/signet
299M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
575M .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
306402
$ BH=$(bitcoin-cli -signet getblockhash 306402); echo $BH
00000000d3967326fccc775adedf5ee92fca8d3a0f0aefc8a651772ade7b9ec4
$ bitcoin-cli -signet getblockheader 00000000d3967326fccc775adedf5ee92fca8d3a0f0aefc8a651772ade7b9ec4
{
"hash": "00000000d3967326fccc775adedf5ee92fca8d3a0f0aefc8a651772ade7b9ec4",
"confirmations": 1,
"height": 306402,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "75dde26e7d4f300fe4d903ea683bae02c56b323e9fe5e1a163bba572170e20eb",
"time": 1779982100,
"mediantime": 1779980291,
"nonce": 31378964,
"bits": "1d15102a",
"target": "00000015102a0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04747557581386184,
"chainwork": "00000000000000000000000000000000000000000000000000000dbb497eeeac",
"nTx": 74,
"previousblockhash": "000000118c6c322c035fd4f259c7acd8859529f735cc158ba118118098dc7d6d"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... .... d396 7326
fccc 775a dedf 5ee9
2fca 8d3a .f.a efc8
a651 772a de7b 9ec4
$ : 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
306402 sf: .f.a 9ec4
$ : 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 .
306402 sk: 9ec4 d2
$ : 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 .
306402 ak: 78e6 d2
$ : Following is the jointkode
306402 jk: 9ec4 78e6 d2
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 31,
"bytes": 10879,
"usage": 119424,
"total_fee": 0.00015416,
"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
357
## Current epoch estimation is +2.32%
## 1986 of 2016, i.e. 98%, 30 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
347452.3736019674
$ bitcoin-cli -signet getnetworkhashps 2016 304415
339567.6604445974
$ bitcoin-cli -signet getnetworkhashps 2016 302399
342474.190435588
$ bitcoin-cli -signet getblockstats 306402
{
"avgfee": 53592,
"avgfeerate": 159,
"avgtxsize": 427,
"blockhash": "00000000d3967326fccc775adedf5ee92fca8d3a0f0aefc8a651772ade7b9ec4",
"feerate_percentiles": [
0,
1,
1,
1,
1
],
"height": 306402,
"ins": 100,
"maxfee": 3883438,
"maxfeerate": 23464,
"maxtxsize": 10313,
"medianfee": 154,
"mediantime": 1779980291,
"mediantxsize": 205,
"minfee": 0,
"minfeerate": 0,
"mintxsize": 142,
"outs": 444,
"subsidy": 2500000000,
"swtotal_size": 31087,
"swtotal_weight": 97786,
"swtxs": 72,
"time": 1779982100,
"total_out": 3279431669128,
"total_size": 31229,
"total_weight": 98354,
"totalfee": 3912228,
"txs": 74,
"utxo_increase": 344,
"utxo_size_inc": 27776,
"utxo_increase_actual": 305,
"utxo_size_inc_actual": 23473
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 515746694,
"totalbytessent": 14178602096,
"timemillis": 1779982105515,
"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 8 8
out 11 11 2 1
total 19 19
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1133,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1133
}
}
### 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
29a6f4ac6aa43f08af35547819922f5e967641a9d65a94b494c82ac26a695a07
39235a0b1d5527e7
95922c68c22a20fed80df23cd85406c5a305e424c854cbb07950ad67f3190702
a9e407828463a7f3
fda7c5b3505bee36b3a9c66e49ccadaa96d5e2dfc7c3d2f019a54ee4c3bdeba5
c2df4db43254cb32
dca64f72c53dc18778ffb7cdd3dcad00519b68f53dab670373ab683c43de0ae1
6314f8c19fd3f1fc
a787db2d728fe91dc7a58a44c1654f94bcf49fdb219f80d6ffc69a6cfc3c3274
1be57ab10ba0682c
2e7a5cfacffd322fde6ba6dd6a7460bb55d99cda26883b8be36df302a0034eeb
1b223199413e44c3
e69d68281ac73a3c888eabde7e492e2916778acace73bc294cc774c447872155
563b8894485c6787
7727fcfa14ca9b0be638f5d0a50fcaea847be7ac54f5cddd9c794609712e57e4
84ec145dd309a0af
636daac2724b598123f00ba233883e8beb44a26e5904638f23487a0bcd5c749a
f3367d6752fbb126
63a888478434373d773c200615820142394bf0c3fc6d813769ecf82601b9c87d
f0f694d1aa80196f
aa07305ac61937391c69072ef209bbe04f49e987989c0963742a74196240dc63
58b4cd8e45f469e4
dfbebb3fb7831b43c48dd6eaf5586f9ae52039fe41b4f6e4f4f994cf84d0791f
842af9b4332a84d4
9d17f76be6f677edc5ac66990ce5be43592751f321f31cc787f60c4bc85532d8
7116bc61a79199c9
b75b921ea0d58dc3daf286a3af2dc71fa9a7752a8413ef067034fa547425e2f9
b0f29267fad00ff5
43ee8b431933db922b39e237dd0590daccb0a268eb821df40f1c8293cb852673
e9e7aa3289abbf23
a012e27f1b21314de0ad1da2d8aaccacf9061204cf93117df0757860250517df
aeb17eb3af0fc6f5
4fba6409716bab1b06591dab1b6f40947fab95fab1db0b2d2c5cd15a7deeae69
5e1560c6f30b95a2
2f89f89fdae33cdf2379f7e58879547f5766ec77fa6302ab5077aef8634c9b3a
$ niceblack.sh $BH $BC
_____ ____ _____
|__ // __ \/ ___/
/_