# on receiving block 305502 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-05-22T10:06:03Z
# as written in the block header
2026-05-22T10:05:30Z
$ uptime # since last reboot
10:06:03 up 64 days, 58 min, 0 users, load average: 1.62, 1.71, 1.77
$ battery.sh
163%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1301228 kB
$ du -h -d1 .bitcoin/signet
297M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
523M .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
305502
$ BH=$(bitcoin-cli -signet getblockhash 305502); echo $BH
00000013d25ef3a069906dddd2e1bde97375ac200dbb2cf7043a477a9f44e2d7
$ bitcoin-cli -signet getblockheader 00000013d25ef3a069906dddd2e1bde97375ac200dbb2cf7043a477a9f44e2d7
{
"hash": "00000013d25ef3a069906dddd2e1bde97375ac200dbb2cf7043a477a9f44e2d7",
"confirmations": 1,
"height": 305502,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "850009666f7e11285a407a5a3f398c1eb487e230e5dc28f278b327c99fb8b88b",
"time": 1779444330,
"mediantime": 1779441956,
"nonce": 257360769,
"bits": "1d15102a",
"target": "00000015102a0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04747557581386184,
"chainwork": "00000000000000000000000000000000000000000000000000000d908ef4d01c",
"nTx": 1026,
"previousblockhash": "00000001a8052a5a3bf2198ea5b23166d2738ccd085cfb506715bd45b74fdcff"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ..13 d25e f3a.
699. 6ddd d2e1 bde9
7375 ac2. .dbb 2cf7
.43a 477a 9f44 e2d7
$ : 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
305502 sf: ..13 f3a. 699. ac2. 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 .
305502 sk: e2d7 91
$ : 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 .
305502 ak: 8a62 91
$ : Following is the jointkode
305502 jk: e2d7 8a62 91
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 2,
"bytes": 465,
"usage": 37968,
"total_fee": 0.00000828,
"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
164
## Current epoch estimation is +1.32%
## 1086 of 2016, i.e. 53%, 930 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
344065.6654929724
$ bitcoin-cli -signet getnetworkhashps 2016 304415
339567.6604445974
$ bitcoin-cli -signet getnetworkhashps 2016 302399
342474.190435588
$ bitcoin-cli -signet getblockstats 305502
{
"avgfee": 4022,
"avgfeerate": 25,
"avgtxsize": 323,
"blockhash": "00000013d25ef3a069906dddd2e1bde97375ac200dbb2cf7043a477a9f44e2d7",
"feerate_percentiles": [
1,
2,
2,
2,
2
],
"height": 305502,
"ins": 1068,
"maxfee": 3809310,
"maxfeerate": 23016,
"maxtxsize": 13839,
"medianfee": 278,
"mediantime": 1779441956,
"mediantxsize": 308,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 118,
"outs": 1490,
"subsidy": 2500000000,
"swtotal_size": 330966,
"swtotal_weight": 637176,
"swtxs": 1024,
"time": 1779444330,
"total_out": 3260429492993,
"total_size": 331084,
"total_weight": 637648,
"totalfee": 4122663,
"txs": 1026,
"utxo_increase": 422,
"utxo_size_inc": 19997,
"utxo_increase_actual": 385,
"utxo_size_inc_actual": 15964
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 401408354,
"totalbytessent": 10238143636,
"timemillis": 1779444364153,
"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": 1107,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1107
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
16 "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
58cf5f4588d41478
7bf7615f24ef55828c98274187a3a29a26c06cc14ac18b693737ad59a0fb05d8
1be57ab10ba0682c
2e7a5cfacffd322fde6ba6dd6a7460bb55d99cda26883b8be36df302a0034eeb
82fab7a90cabd40c
cc447826dbdd34a76324acf6c0f6abcce95a3ef3bd9a410520828303709b8651
1b223199413e44c3
e69d68281ac73a3c888eabde7e492e2916778acace73bc294cc774c447872155
563b8894485c6787
7727fcfa14ca9b0be638f5d0a50fcaea847be7ac54f5cddd9c794609712e57e4
84ec145dd309a0af
636daac2724b598123f00ba233883e8beb44a26e5904638f23487a0bcd5c749a
f3367d6752fbb126
63a888478434373d773c200615820142394bf0c3fc6d813769ecf82601b9c87d
727a091ec793e13f
0139d3ede909a39cb058144608f96ca21d8696bd8e13fa3a96b260b0e2707fed
75f1784cd2bb262b
83a07dbd13b9c37488b3638b314a230ff42709339cc15244a5b6bf29ae72fc2f
f0f694d1aa80196f
aa07305ac61937391c69072ef209bbe04f49e987989c0963742a74196240dc63
68a029c31fc76f37
9031143af89ccef81dff120c46826ee3828a09c413c37fa155ee57326b5bff31
$ niceblack.sh $BH $BC
_____ ____ ______
|__ // __ \/ ____/
/_