# on receiving block 315337 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-07-29T19:11:22Z
# as written in the block header
2026-07-29T19:11:01Z
$ uptime # since last reboot
19:11:22 up 33 days, 11:42, 0 users, load average: 1.77, 2.20, 1.81
$ battery.sh
146%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1616420 kB
$ du -h -d1 .bitcoin/signet
318M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
532M .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
315337
$ BH=$(bitcoin-cli -signet getblockhash 315337); echo $BH
0000000830ed6d670cba6dadafe1880f626a32786b0dfc2539c8810baa74755b
$ bitcoin-cli -signet getblockheader 0000000830ed6d670cba6dadafe1880f626a32786b0dfc2539c8810baa74755b
{
"hash": "0000000830ed6d670cba6dadafe1880f626a32786b0dfc2539c8810baa74755b",
"confirmations": 1,
"height": 315337,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "fac9e6a11442b2e870b8ae820faf3a373062d2557e462bdb92aa5915dd7b9188",
"time": 1785352261,
"mediantime": 1785351551,
"nonce": 170285483,
"bits": "1d14d6ea",
"target": "00000014d6ea0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04798504544795561,
"chainwork": "00000000000000000000000000000000000000000000000000000f6a5c86a02a",
"nTx": 48,
"previousblockhash": "0000000666da073aa6091e6e325876e699cb6f84216046a1785f95131f8ce9b3"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...8 3.ed 6d67
.cba 6dad afe1 88.f
626a 3278 6b.d fc25
39c8 81.b aa74 755b
$ : 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
315337 sf: ...8 3.ed .cba 88.f 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 .
315337 sk: 755b 91
$ : 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 .
315337 ak: bbad 91
$ : Following is the jointkode
315337 jk: 755b bbad 91
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 9,
"bytes": 1957,
"usage": 14216,
"total_fee": 0.00001359,
"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
327
## Current epoch estimation is +0.8%
## 841 of 2016, i.e. 41%, 1175 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
346253.6419906677
$ bitcoin-cli -signet getnetworkhashps 2016 314495
343484.4943123722
$ bitcoin-cli -signet getnetworkhashps 2016 312479
346247.1658164694
$ bitcoin-cli -signet getblockstats 315337
{
"avgfee": 661,
"avgfeerate": 1,
"avgtxsize": 431,
"blockhash": "0000000830ed6d670cba6dadafe1880f626a32786b0dfc2539c8810baa74755b",
"feerate_percentiles": [
0,
0,
0,
0,
0
],
"height": 315337,
"ins": 51,
"maxfee": 27300,
"maxfeerate": 149,
"maxtxsize": 9831,
"medianfee": 14,
"mediantime": 1785351551,
"mediantxsize": 191,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 312,
"subsidy": 2500000000,
"swtotal_size": 20119,
"swtotal_weight": 68536,
"swtxs": 46,
"time": 1785352261,
"total_out": 2420204643900,
"total_size": 20261,
"total_weight": 69104,
"totalfee": 31083,
"txs": 48,
"utxo_increase": 261,
"utxo_size_inc": 22519,
"utxo_increase_actual": 210,
"utxo_size_inc_actual": 16680
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 50219076,
"totalbytessent": 949402788,
"timemillis": 1785352283068,
"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 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": 954,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 954
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
16 "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
9550b66c9c9a91e5
6ef263cfb0efd20ea94ba65a1eee88fd7cbceca02fc82f9621602f67800c1c6c
c47f9308f875cb6f
3af78d335d69c04e765dd04d61ae8bf31a7a83a65796840a64d2f363f2136764
acbcec5aeca1972b
8f4f681a39287c8e0609e743b1148ba70d6756e767a2855acb55e57f4ea06158
4645feb2cf906cd2
0af4c6ee891dd14a0b37ae43fd61d9090e3d9c165b4fbeadd16049897e895f31
a9e407828463a7f3
c5721ccd02a4a990f698c771ff2b9a50441e80b50af480ad242dd9c86de7fe69
7338c08342087a97
8381be066ea5bfff4ec6343b2cceafdaa0d3a4b583f6d8034780bcccaecd6554
82b27e77426c9cf3
8d9b96ae5404bfa3fda413f8c9e9beb3478813a3fa3efffe614c67140fec5e73
7407e3f1086351c1
96538e8ee2cc5af1edfda55fee5ff0174e10ddd06101d66558f6a693e837c9c8
af637ac896fc651b
1742fdf1dedba940e83ab360018cad486a3b790945dd0a93683a40d836f68448
318db5aec0bb42f2
497be3fa635a9b8efddd021e5c47d57e7af2aa9c7f370d4b57dcbe5f853d2a07
2df6270d415f3c95
446cb0cb5591af67ff2b0892560d2662bd83086a3d809dbee957d50d27b5bdb0
15efa24ad7cf7ca6
fd7502f4a1e637842e5078469a2c5ba9fb0d0e34457fb8fa55881b6a0fd2693f
ccac5f3d92a6d821
23b82cfc1c91f35ec96416db897713f36e8491a1beed8b5e748270f3e3c4ba07
35e2a230edacc2ab
3135fdc56f3c5dab003aff6c87f9f2cd2ea66dea870f0f35d6dd808d0a3fe047
c5c6bb4140ac2bad
5cc42e7a9a2688bf405a8acf0e885a33a133446811f273593471ff96cce759e7
fac4f933c663d2d5
65efb918d47e94c090526f3e7ec0ba34ecbe7f2320460dc8045fe94fbcaf4ca4
$ niceblack.sh $BH $BC
_ _ _
| |__| |___ __| |__
| '_ \ / _ \/ _| / /
|_.__/_\___/\__|_\_\
_____ ___ ____________
|__ / | __|__ /__ /__ |
|_ \ |__ \|_ \|_ \ / /
|___/_|___/___/___//_/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...8 3.ed 6d67 .f |
| 1. .cba 6dad afe1 88.f 1f |
| 2. 626a 3278 6b.d fc25 2f |
| 3. 39c8 81.b aa74 755b 3f |
'=== ==== ==== ==== ==== ==='
jk: 755b bbad 91