# on receiving block 311449 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-07-02T22:13:27Z
# as written in the block header
2026-07-02T22:12:55Z
$ uptime # since last reboot
22:13:26 up 6 days, 14:44, 0 users, load average: 0.67, 0.70, 0.82
$ battery.sh
98%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1944648 kB
$ du -h -d1 .bitcoin/signet
307M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
514M .bitcoin/signet/blocks
3.9G .bitcoin/signet/chainstate
4.7G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 436G 476G 48% /
$ bitcoind -version
Bitcoin Core daemon version v31.1.0rc1 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
311449
$ BH=$(bitcoin-cli -signet getblockhash 311449); echo $BH
000000015c590137438ec3e2bae4586a51d2b5cb0f407c952dba0ae8e8c49495
$ bitcoin-cli -signet getblockheader 000000015c590137438ec3e2bae4586a51d2b5cb0f407c952dba0ae8e8c49495
{
"hash": "000000015c590137438ec3e2bae4586a51d2b5cb0f407c952dba0ae8e8c49495",
"confirmations": 1,
"height": 311449,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "6e25f08494fe59b50249e214231cf44a66396f92c7eeefe5f838fefd2d303b32",
"time": 1783030375,
"mediantime": 1783027586,
"nonce": 139597238,
"bits": "1d1539c3",
"target": "0000001539c30000000000000000000000000000000000000000000000000000",
"difficulty": 0.04711213096935177,
"chainwork": "00000000000000000000000000000000000000000000000000000eafe5a609e2",
"nTx": 68,
"previousblockhash": "0000000a5504de64bfb8433fe8d288c2cccf0ee615a3a6027d52bad344babbc1"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...1 5c59 .137
438e c3e2 bae4 586a
51d2 b5cb .f4. 7c95
2dba .ae8 e8c4 9495
$ : 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
311449 sf: ...1 .137 .f4. .ae8 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 .
311449 sk: 9495 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 .
311449 ak: f342 b1
$ : Following is the jointkode
311449 jk: 9495 f342 b1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 12,
"bytes": 4598,
"usage": 35600,
"total_fee": 0.00102844,
"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
182
## Current epoch estimation is +1.69%
## 985 of 2016, i.e. 48%, 1031 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
342937.3813072223
$ bitcoin-cli -signet getnetworkhashps 2016 310463
337230.1211738132
$ bitcoin-cli -signet getnetworkhashps 2016 308447
350573.0694396333
$ bitcoin-cli -signet getblockstats 311449
{
"avgfee": 33613,
"avgfeerate": 123,
"avgtxsize": 336,
"blockhash": "000000015c590137438ec3e2bae4586a51d2b5cb0f407c952dba0ae8e8c49495",
"feerate_percentiles": [
0,
0,
0,
4,
4
],
"height": 311449,
"ins": 78,
"maxfee": 1250072,
"maxfeerate": 7553,
"maxtxsize": 6847,
"medianfee": 617,
"mediantime": 1783027586,
"mediantxsize": 205,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 289,
"subsidy": 2500000000,
"swtotal_size": 22425,
"swtotal_weight": 72639,
"swtxs": 66,
"time": 1783030375,
"total_out": 3181464792858,
"total_size": 22567,
"total_weight": 73207,
"totalfee": 2252119,
"txs": 68,
"utxo_increase": 211,
"utxo_size_inc": 18588,
"utxo_increase_actual": 174,
"utxo_size_inc_actual": 13848
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 69826424,
"totalbytessent": 3304128756,
"timemillis": 1783030407404,
"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 v31.1.0rc1 signet - server 70016/Satoshi:31.1.0/
ipv4 total block manual
in 7 7
out 11 11 2 1
total 18 18
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 777,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 777
}
}
### 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
82b27e77426c9cf3
a90281d6cd9f2ef732dc4d633bad68c56ad34650adae6d4b324e8b64e12dd92e
0023b28c288594d1
d0239e1259b8fc03ca14387c7eb67c8e1fa17859ca0de310bf9e815fece7dc83
531d9e5471001a55
8e987dcd784c7899e867e8dd507324d328805fc1a522ca9df52f6f1245e498bf
ccac5f3d92a6d821
e1a93f5809cf7b80a429211dee065cf6896f649798fc92ac06539a722caeec1f
acbcec5aeca1972b
6e5fc6954ccbb5be60092b083fbe33ef68ad43ce256eee2851200815f66c4534
131ffd1dacd3414b
62f745a173992bcaec3cb8da243004bbbd6c7ec2b40022ff0772a223d9243ad4
4e8c7b7107b6dbfc
8bcdba3d4014f7a8e7ceb2092013575f65f4875015420415316b3c434387b5c5
282fd8d7944a55b9
7a85bbfe873daec42db4f81bbb5c9c70f3ca2d7aeed36b2c4a0da4ff5b903fa9
989773dc541b27e7
0e41cc8eb19f3fc295d9525410da696fec913ccda4f070bc12443ec8b2314032
63656717dc0be4d4
535d87322c75586895670ca2a3a88dd86d6c6b8cd143d4aa344ffd2538917bd5
b238f700f288e393
2d86a02fd12d2abefe9d52dbf332b8757986546a2aecd4b468635974ccb94fcf
bfb64eb29f62a582
29b35c7d22ae1ab26c355fd511beb7ded0c92be1dbddcc3b78086f35ed729433
e3abb281a4e659f8
6312a0435c4fb2498cc7a1354eef630bb8aa7620ec3ab89740ce57f7bfc5094b
41c0a40b2ed43a72
3dccb2123cf7b99d6b260533dbc6261903b9f23d7da165aa051101b88a9e080d
bbeaa96a3dfe8057
1465284dd16330e38b60de51c5c720abc8ca07602cafc69c3fb03616b51c6117
1f5fbaeeb024538e
bd57561b6864c70726507a027b40aa956adc376ba77cc65aec07fadca64e9460
$ niceblack.sh $BH $BC
_ _ _
| |__| |___ __| |__
| '_ \ / _ \/ _| / /
|_.__/_\___/\__|_\_\
_____ _ _ _ _ _ ___
|__ / / | | || | |/ _ \
|_ \ | |_ _|_ _\_, /
|___/_|_| |_| |_| /_/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...1 5c59 .137 .f |
| 1. 438e c3e2 bae4 586a 1f |
| 2. 51d2 b5cb .f4. 7c95 2f |
| 3. 2dba .ae8 e8c4 9495 3f |
'=== ==== ==== ==== ==== ==='
jk: 9495 f342 b1