# on receiving block 312812 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-07-12T06:02:32Z
# as written in the block header
2026-07-12T06:01:43Z
$ uptime # since last reboot
06:02:32 up 15 days, 22:33, 0 users, load average: 0.68, 0.67, 0.71
$ battery.sh
100%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 2144112 kB
$ du -h -d1 .bitcoin/signet
311M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
513M .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
312812
$ BH=$(bitcoin-cli -signet getblockhash 312812); echo $BH
00000000bcb25e4a4f1792565d87550dd6078dacf3ec16c552f500cc85479d49
$ bitcoin-cli -signet getblockheader 00000000bcb25e4a4f1792565d87550dd6078dacf3ec16c552f500cc85479d49
{
"hash": "00000000bcb25e4a4f1792565d87550dd6078dacf3ec16c552f500cc85479d49",
"confirmations": 1,
"height": 312812,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "8bc1cda8379bbf54a45d19619d130d441e3d5b8c55a27bbaba1172bbf367d1da",
"time": 1783836103,
"mediantime": 1783833526,
"nonce": 132303777,
"bits": "1d14ab71",
"target": "00000014ab710000000000000000000000000000000000000000000000000000",
"difficulty": 0.04837927401929265,
"chainwork": "00000000000000000000000000000000000000000000000000000ef088aa0202",
"nTx": 44,
"previousblockhash": "000000027e1d893b8e8d5084d6cdfd54099de59f165840d14d971a2994154900"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... .... bcb2 5e4a
4f17 9256 5d87 55.d
d6.7 8dac f3ec 16c5
52f5 ..cc 8547 9d49
$ : 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
312812 sf: 55.d d6.7 ..cc 9d49
$ : 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 .
312812 sk: 9d49 b2
$ : 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 .
312812 ak: c386 b2
$ : Following is the jointkode
312812 jk: 9d49 c386 b2
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 9,
"bytes": 3634,
"usage": 20392,
"total_fee": 0.03786235,
"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
187
## Current epoch estimation is -0.66%
## 332 of 2016, i.e. 16%, 1684 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
343936.6651868229
$ bitcoin-cli -signet getnetworkhashps 2016 312479
346247.1658164694
$ bitcoin-cli -signet getnetworkhashps 2016 310463
337230.1211738132
$ bitcoin-cli -signet getblockstats 312812
{
"avgfee": 49158,
"avgfeerate": 114,
"avgtxsize": 550,
"blockhash": "00000000bcb25e4a4f1792565d87550dd6078dacf3ec16c552f500cc85479d49",
"feerate_percentiles": [
0,
0,
1,
1,
5
],
"height": 312812,
"ins": 77,
"maxfee": 1951032,
"maxfeerate": 11788,
"maxtxsize": 9457,
"medianfee": 14,
"mediantime": 1783833526,
"mediantxsize": 191,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 339,
"subsidy": 2500000000,
"swtotal_size": 23537,
"swtotal_weight": 73088,
"swtxs": 42,
"time": 1783836103,
"total_out": 3335509982633,
"total_size": 23679,
"total_weight": 73656,
"totalfee": 2113794,
"txs": 44,
"utxo_increase": 262,
"utxo_size_inc": 20830,
"utxo_increase_actual": 225,
"utxo_size_inc_actual": 16092
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 15039630,
"totalbytessent": 272982247,
"timemillis": 1783836153052,
"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": 970,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 970
}
}
### 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
82b27e77426c9cf3
ba4d455ae8e6348298bfe922b76397b047229e6fd8a093609569ce3666eb3c11
d93d2e33982b129d
b397aa11603c9726c4fe4e4b7f23e1ecf6ebfa95ffa6108d945cc220459316f9
d3a35fabb60fb123
89eb9ddf03d29b951cde923a7f28606e7df2ee42f02fba74bd3f62a217ba292c
318db5aec0bb42f2
3db570b1b3bd6de4944d6fc1a067ae44cb2172e0d3eb2c8af98d37ce15caaa41
9c92af8aca057984
4a3cd65a70c20953f645fea5e5af6a7cc0f01eae12af3928fa2496641334deb8
a4dda9c03849be5c
a41beaf146ae3e5532a2ad5a4ca5a70901563f3982418473ef5b937e8bbeb673
9c42b131cbafed94
361b1dbdd2a2af96786c82688176f8d719caf94e1ee65b74ced5364a255ba209
fc0e313bd3acf04e
26d120db8fd0556b47e39c428eb74ae8e6f94e19b79ffb445df313ede7cb5308
dbf0245fd5ffa992
9d2c5d84fa43ed6c39ae376788fee5914c3ef30bc4463ab9252068c338f7280f
2327fac8abcb507f
d1a0186a54bffd3b60f1b4c8074fb5390385fc006f35eee3ea48c3c37a2f8c61
$ niceblack.sh $BH $BC
_____ _ ____ ___ _ ____
|___ // |___ \ ( _ )/ |___ \
|_ \| | __) | / _ \| | __) |
___) | |/ __/ | (_) | |/ __/
|____/|_|_____| \___/|_|_____|
,----- .123 4567 89ab cdef -----,
| |
| .. .... .... bcb2 5e4a .f |
| 1. 4f17 9256 5d87 55.d 1f |
| 2. d6.7 8dac f3ec 16c5 2f |
| 3. 52f5 ..cc 8547 9d49 3f |
'=== ==== ==== ==== ==== ==='
jk: 9d49 c386 b2