# on receiving block 308237 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-06-10T04:30:47Z
# as written in the block header
2026-06-10T04:30:44Z
$ uptime # since last reboot
04:30:47 up 82 days, 19:23, 0 users, load average: 2.32, 2.27, 2.26
$ battery.sh
163%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1326424 kB
$ du -h -d1 .bitcoin/signet
302M .bitcoin/signet/indexes
21M .bitcoin/signet/wallets
574M .bitcoin/signet/blocks
3.8G .bitcoin/signet/chainstate
4.7G .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
308237
$ BH=$(bitcoin-cli -signet getblockhash 308237); echo $BH
000000145cde436ffa59d27fd13056c3c9ae03ad4e61665e1b397d248e8ae6cb
$ bitcoin-cli -signet getblockheader 000000145cde436ffa59d27fd13056c3c9ae03ad4e61665e1b397d248e8ae6cb
{
"hash": "000000145cde436ffa59d27fd13056c3c9ae03ad4e61665e1b397d248e8ae6cb",
"confirmations": 1,
"height": 308237,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "8466fe21ef59fe6096560451c24a6669df9460cc7259b2c4303699898e31dad6",
"time": 1781065844,
"mediantime": 1781063380,
"nonce": 26885553,
"bits": "1d1490f5",
"target": "0000001490f50000000000000000000000000000000000000000000000000000",
"difficulty": 0.04862263684784939,
"chainwork": "00000000000000000000000000000000000000000000000000000e147a4c5ab6",
"nTx": 1,
"previousblockhash": "00000013d426dbc7fecf9c6032de0064cf11f6e645929a5ef03a682b07d638a4"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ..14 5cde 436f
fa59 d27f d13. 56c3
c9ae .3ad 4e61 665e
1b39 7d24 8e8a e6cb
$ : 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
308237 sf: ..14 d13. .3ad e6cb
$ : 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 .
308237 sk: e6cb 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 .
308237 ak: 5c1. c1
$ : Following is the jointkode
308237 jk: e6cb 5c1. c1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 10,
"bytes": 102184,
"usage": 182064,
"total_fee": 0.05366247,
"maxmempool": 300000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 0,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000,
"limitclustercount": 25,
"limitclustersize": 101000,
"optimal": true
}
$ gmm.sh
216
## Current epoch estimation is +1.88%
## 1805 of 2016, i.e. 89%, 211 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
354522.8598684822
$ bitcoin-cli -signet getnetworkhashps 2016 306431
347971.3775737199
$ bitcoin-cli -signet getnetworkhashps 2016 304415
339567.6604445974
$ bitcoin-cli -signet getblockstats 308237
{
"avgfee": 0,
"avgfeerate": 0,
"avgtxsize": 0,
"blockhash": "000000145cde436ffa59d27fd13056c3c9ae03ad4e61665e1b397d248e8ae6cb",
"feerate_percentiles": [
0,
0,
0,
0,
0
],
"height": 308237,
"ins": 0,
"maxfee": 0,
"maxfeerate": 0,
"maxtxsize": 0,
"medianfee": 0,
"mediantime": 1781063380,
"mediantxsize": 0,
"minfee": 0,
"minfeerate": 0,
"mintxsize": 0,
"outs": 2,
"subsidy": 2500000000,
"swtotal_size": 0,
"swtotal_weight": 0,
"swtxs": 0,
"time": 1781065844,
"total_out": 0,
"total_size": 0,
"total_weight": 0,
"totalfee": 0,
"txs": 1,
"utxo_increase": 2,
"utxo_size_inc": 241,
"utxo_increase_actual": 1,
"utxo_size_inc_actual": 72
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 796246212,
"totalbytessent": 22108925563,
"timemillis": 1781065847930,
"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 manual
in 5 5
out 11 11 2 1
total 16 16
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1194,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1194
}
}
### 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
efc846ec47160038
96269a130d89552a9f737bfb3f4bddbf3a01f2f1ca9895ba5c59e5d015acbe94
9c92af8aca057984
701608410c0af3d20bfd1be1cd2132402d6550db7715a0ea6885af2028c8192d
2210ce7d3be228b6
73cbd11ce85a2397abf204ff765ef2cde3781be65941b4d17c2476cce9443a8e
2c92bdda6fb6f85d
1d457d6b9a05a9e8dd8ec86a946054780b343adb47ac7d1356ddc2850deba8eb
f2734dfe2ce64686
e3e2ebcb081a7c55e9bb65cbed9d00141854ea6794cd0f33e2ea2f070689fc75
a8e0ddb58abca302
c952478e7cd9e517f1228aa92b5c4175faf3835658ef1b4100e00f76373865f0
1be57ab10ba0682c
9092ad00a0a9d043c32c53ca882e64adfd1f7f398b2f001944ee56ce67da8de5
82b27e77426c9cf3
5bf5bfc1484a1dac481457b1b316b8d3e8dc289a891b876b10557c66477f5a83
2ad3fe8299c6645e
92538c9117e4c7874db46281af7e1de2b928402ca06db000b34030d246c2fcae
b0a5306434cc7078
73cbedf50daf852c5b6d8c798fcb5fe9e7cd93f7aac7323f9c94830468955973
380ad62cf236b798
efb3e7bd37bfa6dde960345a5566d656beabb2a1c9c2f3c74acefe9db800b8ca
a545afa7dcf490f4
cbb2d3c0ba95eeecb495db3a531c04c98cf39273e97f6ad4722c286d5477de0d
$ niceblack.sh $BH $BC
| | |
_ \ | _ \ _| | /
_.__/_|\___/\__|_\_\
__ / \ _ )_ )__ /__ /
_ \ ( | _ \ / _ \ /
___/\__/\___/___|___/ _/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ..14 5cde 436f .f |
| 1. fa59 d27f d13. 56c3 1f |
| 2. c9ae .3ad 4e61 665e 2f |
| 3. 1b39 7d24 8e8a e6cb 3f |
'=== ==== ==== ==== ==== ==='
jk: e6cb 5c1. c1