# on receiving block 315192 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-07-28T18:45:14Z
# as written in the block header
2026-07-28T18:44:01Z
$ uptime # since last reboot
18:45:14 up 32 days, 11:16, 0 users, load average: 1.90, 2.18, 1.52
$ battery.sh
146%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1687436 kB
$ du -h -d1 .bitcoin/signet
318M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
497M .bitcoin/signet/blocks
3.9G .bitcoin/signet/chainstate
4.8G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 435G 476G 48% /
$ bitcoind -version
Bitcoin Core daemon version v31.1.0 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
315192
$ BH=$(bitcoin-cli -signet getblockhash 315192); echo $BH
00000013798ebe216d679f9eb47f213187398fd3e5986c94742e4fee87c2c7e8
$ bitcoin-cli -signet getblockheader 00000013798ebe216d679f9eb47f213187398fd3e5986c94742e4fee87c2c7e8
{
"hash": "00000013798ebe216d679f9eb47f213187398fd3e5986c94742e4fee87c2c7e8",
"confirmations": 1,
"height": 315192,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "ecac09d2b06975203c55072a8ca952fadb8631fb7eafb0fc360288b4a524dafd",
"time": 1785264241,
"mediantime": 1785261519,
"nonce": 587399330,
"bits": "1d14d6ea",
"target": "00000014d6ea0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04798504544795561,
"chainwork": "00000000000000000000000000000000000000000000000000000f63674b37d9",
"nTx": 97,
"previousblockhash": "0000000a921f67a8dececd7e25898313d9a7a11760f3c900d8a5b3869fde5748"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ..13 798e be21
6d67 9f9e b47f 2131
8739 8fd3 e598 6c94
742e 4fee 87c2 c7e8
$ : 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
315192 sf: ..13 c7e8
$ : 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 .
315192 sk: c7e8 e1
$ : 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 .
315192 ak: 5a.7 e1
$ : Following is the jointkode
315192 jk: c7e8 5a.7 e1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 13,
"bytes": 4234,
"usage": 23304,
"total_fee": 0.00007496,
"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
277
## Current epoch estimation is +0.44%
## 696 of 2016, i.e. 34%, 1320 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
345013.0714480988
$ bitcoin-cli -signet getnetworkhashps 2016 314495
343484.4943123722
$ bitcoin-cli -signet getnetworkhashps 2016 312479
346247.1658164694
$ bitcoin-cli -signet getblockstats 315192
{
"avgfee": 1861,
"avgfeerate": 1,
"avgtxsize": 1897,
"blockhash": "00000013798ebe216d679f9eb47f213187398fd3e5986c94742e4fee87c2c7e8",
"feerate_percentiles": [
0,
1,
1,
3,
3
],
"height": 315192,
"ins": 514,
"maxfee": 134960,
"maxfeerate": 5,
"maxtxsize": 125377,
"medianfee": 22,
"mediantime": 1785261519,
"mediantxsize": 240,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 1148,
"subsidy": 2500000000,
"swtotal_size": 182027,
"swtotal_weight": 376214,
"swtxs": 95,
"time": 1785264241,
"total_out": 2792709443146,
"total_size": 182169,
"total_weight": 376782,
"totalfee": 178710,
"txs": 97,
"utxo_increase": 634,
"utxo_size_inc": 47340,
"utxo_increase_actual": 552,
"utxo_size_inc_actual": 39145
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 16640532,
"totalbytessent": 162178607,
"timemillis": 1785264314847,
"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 v31.1.0 signet - server 70016/Satoshi:31.1.0/
ipv4 total block manual
in 3 3
out 11 11 2 1
total 14 14
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1006,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1006
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
12 "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
1e317f594ee5ba7c
4a7f15a753e1e6af6b32f45e8006aadd7ecf1a7634a907842900f6dca4612cac
ac71d6f00b7ce5e9
c1e59d742193f92898392eedf3cd76d5fdb378a0c580c917c74dd753f096d86f
a545afa7dcf490f4
f860e941ca2ca5fa60f9e756a5993948c675f4b2a8c5d244ca05aa9403586e55
9550b66c9c9a91e5
6ef263cfb0efd20ea94ba65a1eee88fd7cbceca02fc82f9621602f67800c1c6c
c47f9308f875cb6f
3af78d335d69c04e765dd04d61ae8bf31a7a83a65796840a64d2f363f2136764
acbcec5aeca1972b
8f4f681a39287c8e0609e743b1148ba70d6756e767a2855acb55e57f4ea06158
4645feb2cf906cd2
0af4c6ee891dd14a0b37ae43fd61d9090e3d9c165b4fbeadd16049897e895f31
a9e407828463a7f3
c5721ccd02a4a990f698c771ff2b9a50441e80b50af480ad242dd9c86de7fe69
7338c08342087a97
8381be066ea5bfff4ec6343b2cceafdaa0d3a4b583f6d8034780bcccaecd6554
82b27e77426c9cf3
8d9b96ae5404bfa3fda413f8c9e9beb3478813a3fa3efffe614c67140fec5e73
7407e3f1086351c1
96538e8ee2cc5af1edfda55fee5ff0174e10ddd06101d66558f6a693e837c9c8
eb195be2810ffe85
6930299219df9f869e0202c584e6e293e08c9b2dcc6216c04554b157b4a13014
$ niceblack.sh $BH $BC
_ _ _
| | | | | |
| | | | __ __ | |
|/ \_|/ / \_/ |/_)
\_/ |__/\__/ \___/| \_/
___ , ____, __ __
/ \/|| /|/ |/ )
__/ ||___ |\_/| /
\ | \| | /
\___/ |\___/| |/___
,----- .123 4567 89ab cdef -----,
| |
| .. .... ..13 798e be21 .f |
| 1. 6d67 9f9e b47f 2131 1f |
| 2. 8739 8fd3 e598 6c94 2f |
| 3. 742e 4fee 87c2 c7e8 3f |
'=== ==== ==== ==== ==== ==='
jk: c7e8 5a.7 e1