# on receiving block 295401 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-03-13T14:09:53Z
# as written in the block header
2026-03-13T14:09:50Z
$ uptime # since last reboot
14:09:52 up 24 days, 19:40, 0 users, load average: 1.48, 1.58, 2.06
$ battery.sh
100%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 2006976 kB
$ du -h -d1 .bitcoin/signet
277M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
585M .bitcoin/signet/blocks
3.4G .bitcoin/signet/chainstate
4.3G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 434G 478G 48% /
$ bitcoind -version
Bitcoin Core daemon version v30.2.0 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
295401
$ BH=$(bitcoin-cli -signet getblockhash 295401); echo $BH
0000000d4f060c5aa675bb77cf769c8617bb564f41adaf27eb474a7ef6ca297e
$ bitcoin-cli -signet getblockheader 0000000d4f060c5aa675bb77cf769c8617bb564f41adaf27eb474a7ef6ca297e
{
"hash": "0000000d4f060c5aa675bb77cf769c8617bb564f41adaf27eb474a7ef6ca297e",
"confirmations": 1,
"height": 295401,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "5be4c567247f12bd67e705f6ce02d1ae3380d16d2d4d1c2b3858835b9eacd579",
"time": 1773410990,
"mediantime": 1773408301,
"nonce": 12554988,
"bits": "1d14dfe4",
"target": "00000014dfe40000000000000000000000000000000000000000000000000000",
"difficulty": 0.04790444111119883,
"chainwork": "00000000000000000000000000000000000000000000000000000bb06596a56e",
"nTx": 32,
"previousblockhash": "00000001fc5f923bf66bbc570d6256331dbf8627b18c327ad0bb65de3991b1ae"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...d 4f.6 .c5a
a675 bb77 cf76 9c86
17bb 564f 41ad af27
eb47 4a7e f6ca 297e
$ : 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
295401 sf: ...d 4f.6 .c5a 297e
$ : 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 .
295401 sk: 297e 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 .
295401 ak: dc5. c1
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 5,
"bytes": 931,
"usage": 6880,
"total_fee": 0.00000633,
"maxmempool": 100000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 2,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000
}
$ gmm.sh
267
## Current epoch estimation is -1.3%
## 1065 of 2016, i.e. 52%, 951 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
338238.7857577408
$ bitcoin-cli -signet getnetworkhashps 2016 294335
342715.3572314463
$ bitcoin-cli -signet getnetworkhashps 2016 292319
339762.2850817262
$ bitcoin-cli -signet getblockstats 295401
{
"avgfee": 90,
"avgfeerate": 0,
"avgtxsize": 279,
"blockhash": "0000000d4f060c5aa675bb77cf769c8617bb564f41adaf27eb474a7ef6ca297e",
"feerate_percentiles": [
0,
0,
0,
0,
1
],
"height": 295401,
"ins": 32,
"maxfee": 860,
"maxfeerate": 5,
"maxtxsize": 2178,
"medianfee": 14,
"mediantime": 1773408301,
"mediantxsize": 188,
"minfee": 14,
"minfeerate": 0,
"mintxsize": 188,
"outs": 130,
"subsidy": 2500000000,
"swtotal_size": 8674,
"swtotal_weight": 26560,
"swtxs": 31,
"time": 1773410990,
"total_out": 3357524055777,
"total_size": 8674,
"total_weight": 26560,
"totalfee": 2800,
"txs": 32,
"utxo_increase": 98,
"utxo_size_inc": 7213,
"utxo_increase_actual": 69,
"utxo_size_inc_actual": 4992
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 337211798,
"totalbytessent": 10407299707,
"timemillis": 1773410994122,
"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 v30.2.0 signet - server 70016/Satoshi:30.2.0/
ipv4 total block manual
in 3 3
out 11 11 2 1
total 14 14
Local services: witness, compact filters, network limited, p2p v2, libre
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 2156,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 2156
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
8 "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
9a1678d2e231c1ae6a15d1e148d1a3aa921f92a74fbdb92fa1230595312af704
d26dc11e642083e6
57149bde3f5683d329bd38e36e0a3c351bc45d98ab049665d3e0e1f9309bddf3
f17ef791f09a6e12
bbac244209642232f50aed12fadff433f1f5cc4868c5f434ecc20dfdea2da8ab
ef33457b76d2201b
ed448ac93ae2e9f7c1542cfd7884cdd250d1f46f143f5b9a140ef828ddb8d8e2
989773dc541b27e7
f1c4f931a56557c2d3304a6a06e608a7a71fd3ff3398be131d4a4e4108b3a51e
5e1139162a0dc983
f21a749fe718a3b6e168003a800ebc726c2eca50f6621a9347cf861bbf93ced1
c0f47823976b423a
e631d964212a25d0eda0c3ed178bd1570ea3b17a13a6f77174c9a6230fd30725
aac8f68ed45035d5
2b8e39ae010387a2f591d3817fff65296a9cc7ace9bdcf5df861ce616ef4a983
$ niceblack.sh $BH $BC
_ _ _
| | | | | |
| | | | __ __ | |
|/ \_|/ / \_/ |/_)
\_/ |__/\__/ \___/| \_/
__ __ ____ __ ,
/ )/ || | | / \/|
/ \_/||___|__|_| ||
/ | \ | | ||
/___ |\___/ | \__/ |
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...d 4f.6 .c5a .f |
| 1. a675 bb77 cf76 9c86 1f |
| 2. 17bb 564f 41ad af27 2f |
| 3. eb47 4a7e f6ca 297e 3f |
'=== ==== ==== ==== ==== ==='
ak: dc5. c1