# on receiving block 311315 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-07-02T00:25:55Z
# as written in the block header
2026-07-02T00:25:20Z
$ uptime # since last reboot
00:25:55 up 5 days, 16:56, 0 users, load average: 0.58, 0.71, 0.85
$ battery.sh
99%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 2025628 kB
$ du -h -d1 .bitcoin/signet
306M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
513M .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
311315
$ BH=$(bitcoin-cli -signet getblockhash 311315); echo $BH
000000016ce55a1544b96b64b647ac598638a8e495f4e8b005bdb939fc189bd3
$ bitcoin-cli -signet getblockheader 000000016ce55a1544b96b64b647ac598638a8e495f4e8b005bdb939fc189bd3
{
"hash": "000000016ce55a1544b96b64b647ac598638a8e495f4e8b005bdb939fc189bd3",
"confirmations": 1,
"height": 311315,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "b68755b9a7a958c2467081abda65a4abd7f36abc66d5a802febb5baef1224eff",
"time": 1782951920,
"mediantime": 1782946461,
"nonce": 186766928,
"bits": "1d1539c3",
"target": "0000001539c30000000000000000000000000000000000000000000000000000",
"difficulty": 0.04711213096935177,
"chainwork": "00000000000000000000000000000000000000000000000000000ea9957d48a4",
"nTx": 52,
"previousblockhash": "0000001432752cad16929b0efd712d63151753e8798c0f33e24d7a75dbd101f0"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...1 6ce5 5a15
44b9 6b64 b647 ac59
8638 a8e4 95f4 e8b.
.5bd b939 fc18 9bd3
$ : 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
311315 sf: ...1 e8b. .5bd 9bd3
$ : 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 .
311315 sk: 9bd3 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 .
311315 ak: 8be5 c1
$ : Following is the jointkode
311315 jk: 9bd3 8be5 c1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 1,
"bytes": 142,
"usage": 8104,
"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
179
## Current epoch estimation is +1.73%
## 851 of 2016, i.e. 42%, 1165 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
343090.7786665483
$ bitcoin-cli -signet getnetworkhashps 2016 310463
337230.1211738132
$ bitcoin-cli -signet getnetworkhashps 2016 308447
350573.0694396333
$ bitcoin-cli -signet getblockstats 311315
{
"avgfee": 41233,
"avgfeerate": 30,
"avgtxsize": 1495,
"blockhash": "000000016ce55a1544b96b64b647ac598638a8e495f4e8b005bdb939fc189bd3",
"feerate_percentiles": [
1,
1,
1,
1,
1
],
"height": 311315,
"ins": 81,
"maxfee": 1319584,
"maxfeerate": 7672,
"maxtxsize": 57307,
"medianfee": 174,
"mediantime": 1782946461,
"mediantxsize": 193,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 73,
"outs": 1640,
"subsidy": 2500000000,
"swtotal_size": 76126,
"swtotal_weight": 276382,
"swtxs": 50,
"time": 1782951920,
"total_out": 3255116634574,
"total_size": 76268,
"total_weight": 276950,
"totalfee": 2102887,
"txs": 52,
"utxo_increase": 1559,
"utxo_size_inc": 123169,
"utxo_increase_actual": 1519,
"utxo_size_inc_actual": 118285
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 54701548,
"totalbytessent": 2522828938,
"timemillis": 1782951955963,
"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": 807,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 807
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
15 "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
$ niceblack.sh $BH $BC
| | |
_ \ | _ \ _| | /
_.__/_|\___/\__|_\_\
__ /_ |_ |__ /_ | __|
_ \ | | _ \ |__ \
___/ _| _|___/ _|___/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...1 6ce5 5a15 .f |
| 1. 44b9 6b64 b647 ac59 1f |
| 2. 8638 a8e4 95f4 e8b. 2f |
| 3. .5bd b939 fc18 9bd3 3f |
'=== ==== ==== ==== ==== ==='
jk: 9bd3 8be5 c1