# on receiving block 288698 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-01-26T04:18:04Z
# as written in the block header
2026-01-26T04:17:46Z
$ uptime # since last reboot
04:18:04 up 165 days, 14:08, 0 users, load average: 0.77, 0.83, 1.53
$ battery.sh
42%, Power Supply Online
$ uname -smnr
Linux singer 6.12.40-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1772780 kB
$ du -h -d1 .bitcoin/signet
264M .bitcoin/signet/indexes
19M .bitcoin/signet/wallets
551M .bitcoin/signet/blocks
3.3G .bitcoin/signet/chainstate
4.1G .bitcoin/signet
$ df -h .
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 912G 835G 76G 92% /
$ bitcoind -version
Bitcoin Core daemon version v30.1.0 bitcoind
Copyright (C) 2009-2025 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
288698
$ BH=$(bitcoin-cli -signet getblockhash 288698); echo $BH
0000000c0ab6bffa940c6fc6a8b0a34f73cd772070ef271daa43a65bdbf7e2a8
$ bitcoin-cli -signet getblockheader 0000000c0ab6bffa940c6fc6a8b0a34f73cd772070ef271daa43a65bdbf7e2a8
{
"hash": "0000000c0ab6bffa940c6fc6a8b0a34f73cd772070ef271daa43a65bdbf7e2a8",
"confirmations": 1,
"height": 288698,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "b60045e7f501f07bad670534d396537e3cac52ff91d41d908a8b2112296fe7f2",
"time": 1769401066,
"mediantime": 1769398641,
"nonce": 142179921,
"bits": "1d157c9b",
"target": "000000157c9b0000000000000000000000000000000000000000000000000000",
"difficulty": 0.04653962099342757,
"chainwork": "00000000000000000000000000000000000000000000000000000a72da6a99b0",
"nTx": 33,
"previousblockhash": "000000139a6d7fc375ab091012729db4f4aab1fb680427a8263dde14d3f63783"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... ...c .ab6 bffa
94.c 6fc6 a8b. a34f
73cd 772. 7.ef 271d
aa43 a65b dbf7 e2a8
$ : 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
288698 sf: ...c .ab6 94.c a8b. 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 .
288698 sk: e2a8 91
$ : 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 .
288698 ak: 232d 91
### niceblack moved to the end
$ bitcoin-cli -signet getmempoolinfo
{
"loaded": true,
"size": 0,
"bytes": 0,
"usage": 64,
"total_fee": 0.00000000,
"maxmempool": 100000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 0,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000
}
$ gmm.sh
229
## Current epoch estimation is +0.38%
## 410 of 2016, i.e. 20%, 1606 to go
## Current and previous two in numbers:
$ bitcoin-cli -signet getnetworkhashps 2016
334279.0972494975
$ bitcoin-cli -signet getnetworkhashps 2016 288287
333005.7574254622
$ bitcoin-cli -signet getnetworkhashps 2016 286271
335362.2796681721
$ bitcoin-cli -signet getblockstats 288698
{
"avgfee": 35809,
"avgfeerate": 17,
"avgtxsize": 3951,
"blockhash": "0000000c0ab6bffa940c6fc6a8b0a34f73cd772070ef271daa43a65bdbf7e2a8",
"feerate_percentiles": [
1,
1,
26,
26,
26
],
"height": 288698,
"ins": 33,
"maxfee": 1048433,
"maxfeerate": 200,
"maxtxsize": 80624,
"medianfee": 345,
"mediantime": 1769398641,
"mediantxsize": 188,
"minfee": 140,
"minfeerate": 0,
"mintxsize": 188,
"outs": 1256,
"subsidy": 2500000000,
"swtotal_size": 126435,
"swtotal_weight": 255981,
"swtxs": 32,
"time": 1769401066,
"total_out": 2616198208008,
"total_size": 126435,
"total_weight": 255981,
"totalfee": 1145917,
"txs": 33,
"utxo_increase": 1223,
"utxo_size_inc": 90450,
"utxo_increase_actual": 1197,
"utxo_size_inc_actual": 88584
}
$ bitcoin-cli -signet getnettotals
{
"totalbytesrecv": 336233530,
"totalbytessent": 20038762384,
"timemillis": 1769401085376,
"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 v30.1.0 signet - server 70016/Satoshi:30.1.0/
ipv4 npr total block manual
in 2 1 3
out 12 0 12 3 1
total 14 1 15
Local services: witness, compact filters, network limited, p2p v2, libre
Local addresses: n/a
$ bitcoin-cli -signet -addrinfo
{
"addresses_known": {
"ipv4": 1311,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 1311
}
}
### v2_peerinfo are in v2_peerinfo-signet.txt
$ bitcoin-cli -signet getpeerinfo | grep -w 'v2' | uniq -c
10 "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
5a4000e91050fd06458cc4fac9ef2cd01ba5d6cae2cb1a18e46a601080fe9496
c0f47823976b423a
b8bc86e1e4895e4944416d2ace8d4d89aac44a3e0f856f82ed0e6fda8d469af4
758232c1705f1bcd
a7b3844abc4ce0356ef03f760aac2fa505d75ab340702b3447488a01a2c56090
a9e407828463a7f3
f237a6847c409a5e9ef536c72cd1328ebb422a1f7894beb833bdb46ed074986e
a4dda9c03849be5c
aee7c21551ede989e596a0d632b4967a27470cfab0ad8ecf6322f4946e0d3353
df20edf7a92caa16
5f90aaab5d53f4f5a9998332a9483093f75e46c2943ed62bfc7aa0bcf625fcbf
2422645f1d448cf3
6029b029a5b4d9f3758dde2e0f9fdbc90d7d7910fb616f2eefc4cb8ee1b9a54b
a101beaee0a2a9f8
de0d44f584c3e5e7971048beb7a661dbdc1a995ac11efddfbb0260a93294a666
e917d4178d0408a9
b678876f70a6b5f0b48781a366f6e0739a9c326598d59df2a560d8e9fc176f2c
2765579ac88b05dc
ff8462b8a92d630fc38c51c0c39e5fb5df554907f0302fb0e5cf7039f98145a2
$ niceblack.sh $BH $BC
| | |
_ \ | _ \ _| | /
_.__/_|\___/\__|_\_\
_ ) _ ) _ ) / _ \ _ )
/ _ \ _ \ _ \\_ / _ \
___|\___/\___/\___/ _/\___/
,----- .123 4567 89ab cdef -----,
| |
| .. .... ...c .ab6 bffa .f |
| 1. 94.c 6fc6 a8b. a34f 1f |
| 2. 73cd 772. 7.ef 271d 2f |
| 3. aa43 a65b dbf7 e2a8 3f |
'=== ==== ==== ==== ==== ==='
ak: 232d 91