# on receiving block 315211 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-07-28T22:04:25Z
# as written in the block header
2026-07-28T22:04:22Z
$ uptime # since last reboot
22:04:25 up 32 days, 14:35, 0 users, load average: 1.46, 1.68, 1.33
$ battery.sh
146%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1642660 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
315211
$ BH=$(bitcoin-cli -signet getblockhash 315211); echo $BH
0000000e16352f79d2fa5cff69a239aca57108dda9afe4547f980b15f5917ef8
$ bitcoin-cli -signet getblockheader 0000000e16352f79d2fa5cff69a239aca57108dda9afe4547f980b15f5917ef8
{
"hash": "0000000e16352f79d2fa5cff69a239aca57108dda9afe4547f980b15f5917ef8",
"confirmations": 1,
"height": 315211,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "1f6dc9c18504a3338e596e75bebb1e96fe189539eff2e00be81a6c000f32b0c4",
"time": 1785276262,
"mediantime": 1785275409,
"nonce": 21037145,
"bits": "1d14d6ea",
"target": "00000014d6ea0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04798504544795561,
"chainwork": "00000000000000000000000000000000000000000000000000000f6450b2572c",
"nTx": 58,
"previousblockhash": "000000054f74debec58ab66c9da2c960aaf4b29267180845e62041c54dcbdf8a"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...e 1635 2f79
d2fa 5cff 69a2 39ac
a571 .8dd a9af e454
7f98 .b15 f591 7ef8
$ : 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
315211 sf: ...e .8dd .b15 7ef8
$ : 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 .
315211 sk: 7ef8 c1
$ : 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 .
315211 ak: f8fa c1
$ : Following is the jointkode
315211 jk: 7ef8 f8fa c1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 1,
"bytes": 142,
"usage": 2536,
"total_fee": 0.00000480,
"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
231
## Current epoch estimation is +0.18%
## 715 of 2016, i.e. 35%, 1301 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
344105.1724671995
$ bitcoin-cli -signet getnetworkhashps 2016 314495
343484.4943123722
$ bitcoin-cli -signet getnetworkhashps 2016 312479
346247.1658164694
$ bitcoin-cli -signet getblockstats 315211
{
"avgfee": 3055,
"avgfeerate": 8,
"avgtxsize": 461,
"blockhash": "0000000e16352f79d2fa5cff69a239aca57108dda9afe4547f980b15f5917ef8",
"feerate_percentiles": [
0,
0,
0,
0,
1
],
"height": 315211,
"ins": 61,
"maxfee": 27338,
"maxfeerate": 149,
"maxtxsize": 11653,
"medianfee": 22,
"mediantime": 1785275409,
"mediantxsize": 240,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 393,
"subsidy": 2500000000,
"swtotal_size": 26189,
"swtotal_weight": 84107,
"swtxs": 56,
"time": 1785276262,
"total_out": 2675800292931,
"total_size": 26331,
"total_weight": 84675,
"totalfee": 174140,
"txs": 58,
"utxo_increase": 332,
"utxo_size_inc": 27667,
"utxo_increase_actual": 278,
"utxo_size_inc_actual": 21600
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 19185801,
"totalbytessent": 233910677,
"timemillis": 1785276265730,
"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": 984,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 984
}
}
### 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
9550b66c9c9a91e5
6ef263cfb0efd20ea94ba65a1eee88fd7cbceca02fc82f9621602f67800c1c6c
c47f9308f875cb6f
3af78d335d69c04e765dd04d61ae8bf31a7a83a65796840a64d2f363f2136764
acbcec5aeca1972b
8f4f681a39287c8e0609e743b1148ba70d6756e767a2855acb55e57f4ea06158
4645feb2cf906cd2
0af4c6ee891dd14a0b37ae43fd61d9090e3d9c165b4fbeadd16049897e895f31
a9e407828463a7f3
c5721ccd02a4a990f698c771ff2b9a50441e80b50af480ad242dd9c86de7fe69
7338c08342087a97
8381be066ea5bfff4ec6343b2cceafdaa0d3a4b583f6d8034780bcccaecd6554
82b27e77426c9cf3
8d9b96ae5404bfa3fda413f8c9e9beb3478813a3fa3efffe614c67140fec5e73
7407e3f1086351c1
96538e8ee2cc5af1edfda55fee5ff0174e10ddd06101d66558f6a693e837c9c8
af637ac896fc651b
1742fdf1dedba940e83ab360018cad486a3b790945dd0a93683a40d836f68448
02bcf475afe48ca6
d3e290dcf11cf655123a857538aec6645bfef42a4c747b08a03ab3e351cf0fe9
$ niceblack.sh $BH $BC
_ _ _
| |__| |___ __| |__
| '_ \ / _ \/ _| / /
|_.__/_\___/\__|_\_\
_____ ___ ___ _ _
|__ / | __|_ ) / |
|_ \ |__ \/ /| | |
|___/_|___/___|_|_|
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...e 1635 2f79 .f |
| 1. d2fa 5cff 69a2 39ac 1f |
| 2. a571 .8dd a9af e454 2f |
| 3. 7f98 .b15 f591 7ef8 3f |
'=== ==== ==== ==== ==== ==='
jk: 7ef8 f8fa c1