# on receiving block 308477 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-06-11T22:33:26Z
# as written in the block header
2026-06-11T22:32:28Z
$ uptime # since last reboot
22:33:26 up 84 days, 13:26, 0 users, load average: 2.01, 2.29, 2.40
$ battery.sh
155%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1364996 kB
$ du -h -d1 .bitcoin/signet
302M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
465M .bitcoin/signet/blocks
3.8G .bitcoin/signet/chainstate
4.6G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 435G 476G 48% /
$ bitcoind -version
Bitcoin Core daemon version v31.0.0rc4 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
308477
$ BH=$(bitcoin-cli -signet getblockhash 308477); echo $BH
000000038226cd3a5216c1b1fa43a29b3239bec095fccdd9b02d6d7bcb5acd38
$ bitcoin-cli -signet getblockheader 000000038226cd3a5216c1b1fa43a29b3239bec095fccdd9b02d6d7bcb5acd38
{
"hash": "000000038226cd3a5216c1b1fa43a29b3239bec095fccdd9b02d6d7bcb5acd38",
"confirmations": 1,
"height": 308477,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "820f04320a2cfd9ba2292445064ff9ef2f7adb4356145bb80e109252349a5dd5",
"time": 1781217148,
"mediantime": 1781215786,
"nonce": 303798171,
"bits": "1d146a04",
"target": "000000146a040000000000000000000000000000000000000000000000000000",
"difficulty": 0.04898494610796347,
"chainwork": "00000000000000000000000000000000000000000000000000000e2028804fe2",
"nTx": 38,
"previousblockhash": "0000000ec90a3112f04afff927046b23c0b53c079bce049713e5072c20cf398c"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...3 8226 cd3a
5216 c1b1 fa43 a29b
3239 bec. 95fc cdd9
b.2d 6d7b cb5a cd38
$ : 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
308477 sf: ...3 bec. b.2d cd38
$ : 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 .
308477 sk: cd38 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 .
308477 ak: 8b88 c1
$ : Following is the jointkode
308477 jk: cd38 8b88 c1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 12,
"bytes": 5904,
"usage": 104080,
"total_fee": 0.04516157,
"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
511
## Current epoch estimation is -0.4%
## 29 of 2016, i.e. 1%, 1987 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
349167.7957334594
$ bitcoin-cli -signet getnetworkhashps 2016 308447
350573.0694396333
$ bitcoin-cli -signet getnetworkhashps 2016 306431
347971.3775737199
$ bitcoin-cli -signet getblockstats 308477
{
"avgfee": 28878,
"avgfeerate": 77,
"avgtxsize": 437,
"blockhash": "000000038226cd3a5216c1b1fa43a29b3239bec095fccdd9b02d6d7bcb5acd38",
"feerate_percentiles": [
0,
0,
0,
0,
1
],
"height": 308477,
"ins": 46,
"maxfee": 1054450,
"maxfeerate": 6371,
"maxtxsize": 7952,
"medianfee": 14,
"mediantime": 1781215786,
"mediantxsize": 191,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 142,
"outs": 245,
"subsidy": 2500000000,
"swtotal_size": 16058,
"swtotal_weight": 54935,
"swtxs": 36,
"time": 1781217148,
"total_out": 3133220293148,
"total_size": 16200,
"total_weight": 55503,
"totalfee": 1068518,
"txs": 38,
"utxo_increase": 199,
"utxo_size_inc": 17281,
"utxo_increase_actual": 162,
"utxo_size_inc_actual": 13224
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 838220487,
"totalbytessent": 23225539868,
"timemillis": 1781217207250,
"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 v31.0.0rc4 signet - server 70016/Satoshi:31.0.0/
ipv4 total block
in 3 3
out 10 10 2
total 13 13
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1298,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1298
}
}
### 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
ae8d284a550f8f8a
527ba2f4829cec401cb76b76a888d40eda26f56ba524c3c1e94f526fa6f65cc9
e55aabeb2f397365
47a6d96996102e058b47a3faba58147ec28c36474ca6975da14876e68dc91845
a09335b2ea9a0d96
d62b61953e6f57e0f48d2aca7a8987d3e7b9f570802aed0d21ccfbd7f67882a3
c2df4db43254cb32
809d2d908d0511da7c0177fcfa57fb35209d9a7653a4cc3c75c0aed1a367fca9
1e317f594ee5ba7c
c4439c219754a1aeb6a25428bbd55374557a3a35fde044f8bd8edc4d8fcf279e
1be57ab10ba0682c
777b6dabd3ebfd080d588d2a5bf95db0b0c3dabb681ce6a7c01ae9205e5a3319
d3a35fabb60fb123
cb4e7e1ac26d1b2a191f8793a651491cf01a325c6b2909d87cdb0b1e735e44b8
d26dc11e642083e6
1c77c7723830626837def50df91b91fa43b5f98a6a4d2f9bb319db1c89f04973
efc846ec47160038
212a6dbb3622ea29da43a499db74d3dbed6d89a504a724f50eac1442e9d5a880
2542189ad6b471e2
7ca16e3d898b2886337a4503c61e5d435f5baab72ffd5ec8b94d934a82cc87e1
2c92bdda6fb6f85d
080dea085a57af9c41b766b20ee00de6b0d57458c573e699cd6f7c1b0322ecb9
1e9f51c20a4fdbd6
c4ac9bb93ec89eb4059b9559d7d8b038ee672147596c47680df56480a8443d65
$ niceblack.sh $BH $BC
_|_|_| _| _|_|
_| _| _| _| _|
_|_| _| _| _|_|
_| _| _| _| _|
_|_|_| _| _|_|
_| _| _|_|_|_|_| _|_|_|_|_|
_| _| _| _|
_|_|_|_| _| _|
_| _| _|
_| _| _|
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...3 8226 cd3a .f |
| 1. 5216 c1b1 fa43 a29b 1f |
| 2. 3239 bec. 95fc cdd9 2f |
| 3. b.2d 6d7b cb5a cd38 3f |
'=== ==== ==== ==== ==== ==='
jk: cd38 8b88 c1