# on receiving block 307442 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-06-04T22:50:04Z
# as written in the block header
2026-06-04T22:44:19Z
$ uptime # since last reboot
22:50:04 up 77 days, 13:42, 0 users, load average: 5.39, 2.83, 2.39
$ battery.sh
157%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1308040 kB
$ du -h -d1 .bitcoin/signet
301M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
519M .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
307442
$ BH=$(bitcoin-cli -signet getblockhash 307442); echo $BH
0000000c58c450af68a7570982cb436aba5b776abe37b34c1fc97442b37b9400
$ bitcoin-cli -signet getblockheader 0000000c58c450af68a7570982cb436aba5b776abe37b34c1fc97442b37b9400
{
"hash": "0000000c58c450af68a7570982cb436aba5b776abe37b34c1fc97442b37b9400",
"confirmations": 1,
"height": 307442,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "56c354e6b0a53f990552f00f06eedeea5ff069ceb62f0721d1813c94a1a8a994",
"time": 1780613059,
"mediantime": 1780610059,
"nonce": 448631816,
"bits": "1d1490f5",
"target": "0000001490f50000000000000000000000000000000000000000000000000000",
"difficulty": 0.04862263684784939,
"chainwork": "00000000000000000000000000000000000000000000000000000dedd277deb7",
"nTx": 47,
"previousblockhash": "00000007e3afa44421c983104c7be5dece70ca69ccd4cbeb9e7adcbda1d919e6"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...c 58c4 5.af
68a7 57.9 82cb 436a
ba5b 776a be37 b34c
1fc9 7442 b37b 94..
$ : 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
307442 sf: ...c 5.af 57.9 94..
$ : 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 .
307442 sk: 94.. b1
$ : 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 .
307442 ak: 7ad2 b1
$ : Following is the jointkode
307442 jk: 9400 7ad2 b1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 3,
"bytes": 739,
"usage": 64312,
"total_fee": 0.00001182,
"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
316
## Current epoch estimation is -1.66%
## 1010 of 2016, i.e. 50%, 1006 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
342165.5842441318
$ bitcoin-cli -signet getnetworkhashps 2016 306431
347971.3775737199
$ bitcoin-cli -signet getnetworkhashps 2016 304415
339567.6604445974
$ bitcoin-cli -signet getblockstats 307442
{
"avgfee": 15185,
"avgfeerate": 16,
"avgtxsize": 2199,
"blockhash": "0000000c58c450af68a7570982cb436aba5b776abe37b34c1fc97442b37b9400",
"feerate_percentiles": [
0,
1,
2,
2,
2
],
"height": 307442,
"ins": 86,
"maxfee": 618912,
"maxfeerate": 3739,
"maxtxsize": 70851,
"medianfee": 14,
"mediantime": 1780610059,
"mediantxsize": 191,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 478,
"subsidy": 2500000000,
"swtotal_size": 101042,
"swtotal_weight": 168089,
"swtxs": 45,
"time": 1780613059,
"total_out": 3039707926151,
"total_size": 101184,
"total_weight": 168657,
"totalfee": 698548,
"txs": 47,
"utxo_increase": 392,
"utxo_size_inc": 31228,
"utxo_increase_actual": 352,
"utxo_size_inc_actual": 26844
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 676149197,
"totalbytessent": 18893794976,
"timemillis": 1780613404964,
"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 6 6
out 11 11 2 1
total 17 17
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1219,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1219
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
13 "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
cde2eb7fe15f140e
78f1afad61732cb90d222c43c680d5b85a0bb85f36ad1e6fb9f5432372dc9384
7b4566df59a7b36f
add3f381ef7f486803cf4c5740cbc5be215df3a4cf483457c9f2e8d5d9485936
efc846ec47160038
4df6725b8c42554a1c51ab31847d4ef1cf0c32be873b4085a85c81e0c59c886c
82b27e77426c9cf3
4e6fe04a23e2742095b71a4f4152c2e08ab63d6eee2519f94b6561e4c687b257
fbd821fdb359baf5
255646205781f418ef424f78c4e92dd09ad7a401e2ffce10939687d2e546b4ee
7c4d3f859295c4d5
1b06d09b16d35ad0df37df554c9e21ccd70519eaac60b69cba1aeafbb67ee754
42d6b7498898cae5
d3a09f56ec7b480c79eb9c9924eb0d1371364750ccd87b16889bf567789e7e16
61d8894818b9adf3
5e915451604486cefca480dfcbac1a38ed2b9b89c28042fcccbc4736a6acabf9
b78cc57340ccfb66
11cd13ae2229d180fdcf61d019bce5dbcfb5a0f2df4865eaf8de35f87caa2cb0
9ee9314829504380
d8ad438f375ff0f9bb59df8dde0aac35c11f0160fdc9ead920985d2c35733e88
ebb505b0f60de2d3
ffe11c9e246037dc7554d50ea0b708127ed67518c7c91c64e38c3b30af20a4f3
$ niceblack.sh $BH $BC
_|_|_| _| _|_|_|_|_|
_| _| _| _|
_|_| _| _| _|
_| _| _| _|
_|_|_| _| _|
_| _| _| _| _|_|
_| _| _| _| _| _|
_|_|_|_| _|_|_|_| _|
_| _| _|
_| _| _|_|_|_|
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...c 58c4 5.af .f |
| 1. 68a7 57.9 82cb 436a 1f |
| 2. ba5b 776a be37 b34c 2f |
| 3. 1fc9 7442 b37b 94.. 3f |
'=== ==== ==== ==== ==== ==='
jk: 94.. 7ad2 b1