# on receiving block 307281 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-06-03T18:00:17Z
# as written in the block header
2026-06-03T18:00:12Z
$ uptime # since last reboot
18:00:17 up 76 days, 8:53, 0 users, load average: 2.47, 2.23, 2.26
$ battery.sh
159%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1358692 kB
$ du -h -d1 .bitcoin/signet
301M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
502M .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
307281
$ BH=$(bitcoin-cli -signet getblockhash 307281); echo $BH
0000000a286ddc949e748bd5e4349b3ae00c265d6030d074c1eccefd81b31e84
$ bitcoin-cli -signet getblockheader 0000000a286ddc949e748bd5e4349b3ae00c265d6030d074c1eccefd81b31e84
{
"hash": "0000000a286ddc949e748bd5e4349b3ae00c265d6030d074c1eccefd81b31e84",
"confirmations": 1,
"height": 307281,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "4b6745ba4bb2d69fab9300388194f84f2900a5e98f82d44d6270e31076083cda",
"time": 1780509612,
"mediantime": 1780505960,
"nonce": 34993916,
"bits": "1d1490f5",
"target": "0000001490f50000000000000000000000000000000000000000000000000000",
"difficulty": 0.04862263684784939,
"chainwork": "00000000000000000000000000000000000000000000000000000de5fe6835aa",
"nTx": 108,
"previousblockhash": "00000002189911f856ba2387cd9b472b31aad9753b7f065d7eb19eb7c33cb8ab"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...a 286d dc94
9e74 8bd5 e434 9b3a
e..c 265d 6.3. d.74
c1ec cefd 81b3 1e84
$ : 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
307281 sf: ...a e..c 6.3. d.74 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 .
307281 sk: 1e84 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 .
307281 ak: 786f b1
$ : Following is the jointkode
307281 jk: 1e84 786f b1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 4,
"bytes": 1265,
"usage": 65168,
"total_fee": 0.18656269,
"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
588
## Current epoch estimation is -0.81%
## 849 of 2016, i.e. 42%, 1167 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
345120.962510856
$ bitcoin-cli -signet getnetworkhashps 2016 306431
347971.3775737199
$ bitcoin-cli -signet getnetworkhashps 2016 304415
339567.6604445974
$ bitcoin-cli -signet getblockstats 307281
{
"avgfee": 10105,
"avgfeerate": 7,
"avgtxsize": 3356,
"blockhash": "0000000a286ddc949e748bd5e4349b3ae00c265d6030d074c1eccefd81b31e84",
"feerate_percentiles": [
0,
0,
0,
1,
1
],
"height": 307281,
"ins": 888,
"maxfee": 902778,
"maxfeerate": 5454,
"maxtxsize": 196967,
"medianfee": 154,
"mediantime": 1780505960,
"mediantxsize": 205,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 1167,
"subsidy": 2500000000,
"swtotal_size": 359012,
"swtotal_weight": 608099,
"swtxs": 106,
"time": 1780509612,
"total_out": 3142681988358,
"total_size": 359154,
"total_weight": 608667,
"totalfee": 1081303,
"txs": 108,
"utxo_increase": 279,
"utxo_size_inc": 19331,
"utxo_increase_actual": 241,
"utxo_size_inc_actual": 15191
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 651064853,
"totalbytessent": 18303922071,
"timemillis": 1780509618389,
"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 4 4
out 11 11 2 1
total 15 15
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1212,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1212
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
10 "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
34a9821b72444698
919c5ed77bc75090e18164d4a49ef4f4a140d790ac0dadb6daa7be7e9338f455
cde2eb7fe15f140e
78f1afad61732cb90d222c43c680d5b85a0bb85f36ad1e6fb9f5432372dc9384
7b4566df59a7b36f
add3f381ef7f486803cf4c5740cbc5be215df3a4cf483457c9f2e8d5d9485936
efc846ec47160038
4df6725b8c42554a1c51ab31847d4ef1cf0c32be873b4085a85c81e0c59c886c
0491a896711aa515
da03a9bfee46eb457553af9a85cddb507c17840af902ed50415d81c05063b975
82b27e77426c9cf3
4e6fe04a23e2742095b71a4f4152c2e08ab63d6eee2519f94b6561e4c687b257
fbd821fdb359baf5
255646205781f418ef424f78c4e92dd09ad7a401e2ffce10939687d2e546b4ee
7c4d3f859295c4d5
1b06d09b16d35ad0df37df554c9e21ccd70519eaac60b69cba1aeafbb67ee754
$ niceblack.sh $BH $BC
_ _ _
| | | | | |
| | | | __ __ | |
|/ \_|/ / \_/ |/_)
\_/ |__/\__/ \___/| \_/
___ __ _____ __ __ ,
/ \ / \ // )/ \/|
__/| | / / \__/ |
\| | / / / \ |
\___/ \__/ / /___\__/ |
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...a 286d dc94 .f |
| 1. 9e74 8bd5 e434 9b3a 1f |
| 2. e..c 265d 6.3. d.74 2f |
| 3. c1ec cefd 81b3 1e84 3f |
'=== ==== ==== ==== ==== ==='
jk: 1e84 786f b1