# on receiving block 304940 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-05-18T16:24:13Z
# as written in the block header
2026-05-18T16:23:47Z
$ uptime # since last reboot
16:24:13 up 60 days, 7:17, 0 users, load average: 3.23, 2.20, 2.21
$ battery.sh
163%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1517664 kB
$ du -h -d1 .bitcoin/signet
297M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
486M .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
304940
$ BH=$(bitcoin-cli -signet getblockhash 304940); echo $BH
0000000749f0d24590aeeca5a5c70c57e86f380001ee397f1246322c88d9008c
$ bitcoin-cli -signet getblockheader 0000000749f0d24590aeeca5a5c70c57e86f380001ee397f1246322c88d9008c
{
"hash": "0000000749f0d24590aeeca5a5c70c57e86f380001ee397f1246322c88d9008c",
"confirmations": 1,
"height": 304940,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "1a586752c4c2613d7edc13c17887444e8044d57ce8b34b69484d16b64644f7b4",
"time": 1779121427,
"mediantime": 1779119629,
"nonce": 216496726,
"bits": "1d15102a",
"target": "00000015102a0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04747557581386184,
"chainwork": "00000000000000000000000000000000000000000000000000000d75e0723114",
"nTx": 9,
"previousblockhash": "00000013a62214472eabf814ce3a820a68216bcc8ff06f280eafd1c409bcd4a3"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...7 49f. d245
9.ae eca5 a5c7 .c57
e86f 38.. .1ee 397f
1246 322c 88d9 ..8c
$ : 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
304940 sf: ...7 49f. 9.ae .c57 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 .
304940 sk: ..8c 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 .
304940 ak: .ee8 81
$ : Following is the jointkode
304940 jk: 008c .ee8 81
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 44,
"bytes": 12093,
"usage": 86720,
"total_fee": 0.00008127,
"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
257
## Current epoch estimation is -0.58%
## 524 of 2016, i.e. 25%, 1492 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
337596.9356820039
$ bitcoin-cli -signet getnetworkhashps 2016 304415
339567.6604445974
$ bitcoin-cli -signet getnetworkhashps 2016 302399
342474.190435588
$ bitcoin-cli -signet getblockstats 304940
{
"avgfee": 81304,
"avgfeerate": 410,
"avgtxsize": 298,
"blockhash": "0000000749f0d24590aeeca5a5c70c57e86f380001ee397f1246322c88d9008c",
"feerate_percentiles": [
1,
2,
9,
9,
3878
],
"height": 304940,
"ins": 13,
"maxfee": 641948,
"maxfeerate": 3878,
"maxtxsize": 540,
"medianfee": 1350,
"mediantime": 1779119629,
"mediantxsize": 293,
"minfee": 210,
"minfeerate": 1,
"mintxsize": 142,
"outs": 21,
"subsidy": 2500000000,
"swtotal_size": 2245,
"swtotal_weight": 5770,
"swtxs": 7,
"time": 1779121427,
"total_out": 157725766256,
"total_size": 2387,
"total_weight": 6338,
"totalfee": 650438,
"txs": 9,
"utxo_increase": 8,
"utxo_size_inc": 788,
"utxo_increase_actual": 4,
"utxo_size_inc_actual": 384
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 336496827,
"totalbytessent": 8711815023,
"timemillis": 1779121453929,
"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": 1123,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1123
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
9 "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
a8458145c2f0e139
265ae59bb7dc7d01b1113737050b4ecfd6d18a1f896cff2b059cbb260d5dc7c3
1be57ab10ba0682c
2e7a5cfacffd322fde6ba6dd6a7460bb55d99cda26883b8be36df302a0034eeb
82fab7a90cabd40c
cc447826dbdd34a76324acf6c0f6abcce95a3ef3bd9a410520828303709b8651
$ niceblack.sh $BH $BC
_|_|_| _| _| _|
_| _| _| _| _|
_|_| _| _| _|_|_|_|
_| _| _| _|
_|_|_| _| _|
_|_| _| _| _|
_| _| _| _| _| _|
_|_|_| _|_|_|_| _| _|
_| _| _| _|
_|_|_| _| _|
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...7 49f. d245 .f |
| 1. 9.ae eca5 a5c7 .c57 1f |
| 2. e86f 38.. .1ee 397f 2f |
| 3. 1246 322c 88d9 ..8c 3f |
'=== ==== ==== ==== ==== ==='
jk: ..8c .ee8 81