# on receiving block 306707 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-05-30T16:14:05Z
# as written in the block header
2026-05-30T16:14:03Z
$ uptime # since last reboot
16:14:05 up 72 days, 7:06, 0 users, load average: 2.58, 2.31, 2.22
$ battery.sh
163%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1455660 kB
$ du -h -d1 .bitcoin/signet
300M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
450M .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
306707
$ BH=$(bitcoin-cli -signet getblockhash 306707); echo $BH
0000000a9233c2db4785e2cfb2773f0d330a59e8ae673aa455f773fafcd4c434
$ bitcoin-cli -signet getblockheader 0000000a9233c2db4785e2cfb2773f0d330a59e8ae673aa455f773fafcd4c434
{
"hash": "0000000a9233c2db4785e2cfb2773f0d330a59e8ae673aa455f773fafcd4c434",
"confirmations": 1,
"height": 306707,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "5a5734caef7d4fe6cb6288bd564b40f029555e0db9cbc3ffe9e47cec0e7746b2",
"time": 1780157643,
"mediantime": 1780153168,
"nonce": 8284572,
"bits": "1d1490f5",
"target": "0000001490f50000000000000000000000000000000000000000000000000000",
"difficulty": 0.04862263684784939,
"chainwork": "00000000000000000000000000000000000000000000000000000dca157e4a44",
"nTx": 35,
"previousblockhash": "000000117eb0ee22e8b86ff0587421d5adc65a758dbc18cedc8eb9466a935c2f"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...a 9233 c2db
4785 e2cf b277 3f.d
33.a 59e8 ae67 3aa4
55f7 73fa fcd4 c434
$ : 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
306707 sf: ...a 3f.d 33.a c434
$ : 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 .
306707 sk: c434 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 .
306707 ak: 981e c1
$ : Following is the jointkode
306707 jk: c434 981e c1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 27,
"bytes": 10278,
"usage": 118720,
"total_fee": 0.00014757,
"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
308
## Current epoch estimation is +0.68%
## 275 of 2016, i.e. 13%, 1741 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
350368.0184205429
$ bitcoin-cli -signet getnetworkhashps 2016 306431
347971.3775737199
$ bitcoin-cli -signet getnetworkhashps 2016 304415
339567.6604445974
$ bitcoin-cli -signet getblockstats 306707
{
"avgfee": 313701,
"avgfeerate": 842,
"avgtxsize": 531,
"blockhash": "0000000a9233c2db4785e2cfb2773f0d330a59e8ae673aa455f773fafcd4c434",
"feerate_percentiles": [
0,
0,
0,
1,
1
],
"height": 306707,
"ins": 75,
"maxfee": 10655132,
"maxfeerate": 64381,
"maxtxsize": 5428,
"medianfee": 14,
"mediantime": 1780153168,
"mediantxsize": 191,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 177,
"subsidy": 2500000000,
"swtotal_size": 17943,
"swtotal_weight": 50049,
"swtxs": 33,
"time": 1780157643,
"total_out": 3186120044664,
"total_size": 18085,
"total_weight": 50617,
"totalfee": 10665859,
"txs": 35,
"utxo_increase": 102,
"utxo_size_inc": 8689,
"utxo_increase_actual": 65,
"utxo_size_inc_actual": 4633
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 563780423,
"totalbytessent": 15667911250,
"timemillis": 1780157646172,
"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 12 12
out 11 11 2 1
total 23 23
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1109,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1109
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
19 "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
aeb17eb3af0fc6f5
4fba6409716bab1b06591dab1b6f40947fab95fab1db0b2d2c5cd15a7deeae69
a507f28b5788d59b
6aff74146c41a3f948e71a28aadaa8a2d8f59a694b41fc618e764e66657b5ecd
fcc9499522c3c622
b88a35642b8e9da9bae5709615d82162553c43f3976425edae345c30586bc863
3386ce1c62eb14ee
bf74feabb1dbff45334c4ea9e0a61046310ef058dabe645e966a115ffd0aee36
$ niceblack.sh $BH $BC
| | |
_ \ | _ \ _| | /
_.__/_|\___/\__|_\_\
__ / \ / __ / \__ /
_ \ ( | _ \ /( | /
___/\__/\___/_/\__/ _/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...a 9233 c2db .f |
| 1. 4785 e2cf b277 3f.d 1f |
| 2. 33.a 59e8 ae67 3aa4 2f |
| 3. 55f7 73fa fcd4 c434 3f |
'=== ==== ==== ==== ==== ==='
jk: c434 981e c1