# on receiving block 945510 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-04-17T19:06:41Z
# as written in the block header
2026-04-17T19:06:18Z
$ uptime # since last reboot
19:06:41 up 29 days, 9:59, 0 users, load average: 1.05, 1.39, 1.81
$ battery.sh
100%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1927972 kB
$ du -h -d1 .bitcoin/
12.2G .bitcoin/indexes
4.4G .bitcoin/signet
2.7M .bitcoin/wallets
97.7G .bitcoin/blocks
18.6M .bitcoin/regtest
10.6G .bitcoin/chainstate
125.1G .bitcoin/
$ df -h .
Filesystem Size Used Available Use% Mounted on
/dev/sda3 911.4G 433.7G 476.8G 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 getblockcount); echo $BC
945510
$ BH=$(bitcoin-cli getblockhash 945510); echo $BH
00000000000000000000138bf05a1c2924fe1d68eaf0d28ce623f1cc9719a772
$ bitcoin-cli getblockheader 00000000000000000000138bf05a1c2924fe1d68eaf0d28ce623f1cc9719a772
{
"hash": "00000000000000000000138bf05a1c2924fe1d68eaf0d28ce623f1cc9719a772",
"confirmations": 1,
"height": 945510,
"version": 808181760,
"versionHex": "302be000",
"merkleroot": "f4834b1d171f0a6514fc5b6186e441576b3d12c92cb5c0d2f84e82de5210d3a3",
"time": 1776452778,
"mediantime": 1776448884,
"nonce": 1944464848,
"bits": "17021369",
"target": "0000000000000000000213690000000000000000000000000000000000000000",
"difficulty": 135594876535256.6,
"chainwork": "000000000000000000000000000000000000000120759e392482aa3a4eb48a8a",
"nTx": 2106,
"previousblockhash": "00000000000000000001bdb8aec3f609ac6eea9f047630dee570e9b9d9da2491"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... .... .... ....
.... 138b f.5a 1c29
24fe 1d68 eaf. d28c
e623 f1cc 9719 a772
$ : 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
945510 sf: f.5a eaf. a772
$ : 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 .
945510 sk: a772 95
$ : 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 .
945510 ak: d996 95
$ : Following is the jointkode
945510 jk: a772 d996 95
### niceblack moved to the end
$ bitcoin-cli getmempoolinfo
{
"loaded": true,
"size": 63200,
"bytes": 33912312,
"usage": 181710928,
"total_fee": 0.05997220,
"maxmempool": 300000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 2,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000,
"limitclustercount": 64,
"limitclustersize": 101000,
"optimal": true
}
$ gmm.sh
176
## Current epoch estimation is +0.1%
## 6 of 2016, i.e. 0%, 2010 to go
## Current and previous two in numbers:
$ bitcoin-cli getnetworkhashps 2016
9.714574271852789e+20
$ bitcoin-cli getnetworkhashps 2016 945503
9.704094538460986e+20
$ bitcoin-cli getnetworkhashps 2016 943487
9.942372658458654e+20
$ bitcoin-cli gettxoutsetinfo muhash
{
"height": 945510,
"bestblock": "00000000000000000000138bf05a1c2924fe1d68eaf0d28ce623f1cc9719a772",
"txouts": 165331948,
"bogosize": 12952807153,
"muhash": "5467890d12e7e16474909caac0d6b1b9f57664e4b85bc7b5f470fc87255ebe85",
"total_amount": 20016991.77872940,
"total_unspendable_amount": 230.09627060,
"block_info": {
"prevout_spent": 3446.67559178,
"coinbase": 3.15084252,
"new_outputs_ex_coinbase": 3446.64974926,
"unspendable": 0.00000000,
"unspendables": {
"genesis_block": 0.00000000,
"bip30": 0.00000000,
"scripts": 0.00000000,
"unclaimed_rewards": 0.00000000
}
}
}
$ bitcoin-cli getblockstats 945510
{
"avgfee": 1227,
"avgfeerate": 2,
"avgtxsize": 758,
"blockhash": "00000000000000000000138bf05a1c2924fe1d68eaf0d28ce623f1cc9719a772",
"feerate_percentiles": [
1,
1,
2,
3,
4
],
"height": 945510,
"ins": 8690,
"maxfee": 129774,
"maxfeerate": 97,
"maxtxsize": 147475,
"medianfee": 432,
"mediantime": 1776448884,
"mediantxsize": 223,
"minfee": 55,
"minfeerate": 0,
"mintxsize": 150,
"outs": 5045,
"subsidy": 312500000,
"swtotal_size": 1297211,
"swtotal_weight": 2794043,
"swtxs": 1924,
"time": 1776452778,
"total_out": 344664974926,
"total_size": 1596689,
"total_weight": 3991955,
"totalfee": 2584252,
"txs": 2106,
"utxo_increase": -3645,
"utxo_size_inc": -266559,
"utxo_increase_actual": -3785,
"utxo_size_inc_actual": -277406
}
$ bitcoin-cli getnettotals
{
"totalbytesrecv": 2655427126,
"totalbytessent": 6244385776,
"timemillis": 1776452802015,
"uploadtarget": {
"timeframe": 86400,
"target": 0,
"target_reached": false,
"serve_historical_blocks": true,
"bytes_left_in_cycle": 0,
"time_left_in_cycle": 0
}
}
$ bitcoin-cli -netinfo
Bitcoin Core client v31.0.0rc4 - server 70016/Satoshi:31.0.0/
ipv4 npr total block
in 27 1 28
out 10 0 10 2
total 37 1 38
Local services: witness, compact filters, network limited, p2p v2
Local addresses: n/a
$ bitcoin-cli -addrinfo
{
"addresses_known": {
"ipv4": 66693,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 66693
}
}
$ halving.sh 945510
=====================================
Bitcoin Block Halving prediction
=====================================
bc=945510
gbt=1231006505
bbt=1776452778
This is average time to mine a block
(1776452778-1231006505)/945510
bts=576.8798808263468114067419
Now let's multiply that by 1050000
which is the block number of next
halving and get the prediction:
Wed Mar 15 11:02:36 UTC 2028
-------------------------------------
Next palindrome will be 945549
predicted to happen at this time:
Sat Apr 18 01:21:16 UTC 2026
-------------------------------------
Current mining epoch number is 469.
The next fortnight happens in block
947520 and probably around this time:
Fri May 1 05:11:46 UTC 2026
### v2_peerinfo are in v2_peerinfo-bitcoin.txt
$ bitcoin-cli getpeerinfo | grep -w 'v2' | uniq -c
20 "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
f56a262282741ea8
4df63dc3c6ced6934e7e313d066ce2be54845ec57965f0fbbbe132913df3a290
755b9f5f93db7723
980b5373be7fa0da140ccfe912855a0dd8472c36f24cba24cb38c93ba67f7e6a
08e90a4e886cc004
b19ee80a24ad973d85ec6c250d333b553204b0f770aa8723c02903f8e7ef8f43
e2e3a8a9b66f66cc
59322e76b5e77ad210cfdddd2d249181a5c2f8b0190ac3d54ab12f933dc1b514
874ecb7e09c0d7ad
6200b6c82799730ff7cfb724410fe6dba6f2830ac6a3f6c8fa9b04e7ae924d2e
b981533910ce48a3
ae45381732a48cee007c7de039143946fed374651851a22f6ba8dacaf0cf39da
102ab9eb2c54dc95
71d93f553cfa092d3efb195f4480571de4b900406a831880fda71f5f04161a90
6eebcb0b3f6aaadf
1580cd60cd863a012d5ac079453db185f9521c106ea7a900398fa3b7be1c13fa
269934913434b9e6
7cab983d42b6ef7e8437f5a3b0dad7b2689a730b92bce2900fda54c524061bb9
d5af3293cde8f897
724478cb113a3d5c7d0a8520d8f6ff57e2f6a8a844dae6f7a1975958546f4989
cf3bab726e1fad42
3ee26187dd1b6c1fba02b5874e6a672e6cc024f2c646061f70884455651d6d62
671bd6aee3730b72
59f9ee03009e7705817c32fed098564a0636875e0857a61d6ac9db9742ef1ca0
c218a8b2f8ca6a2f
c5a3105ff664fda6887ee708947f8f36b390fb778e6f9c568686f64d38e5732c
962d80111d869bd2
cdc1d33633c61d2b97dfaaef0cbb508ad78af19feb7a7142e5db7f3e29d9a3bd
e9836641806290cb
433cfe44095179c0988c813d45ff9e61abad76a3a77778289108a027c74dbeab
cdd3a16921e82e46
d3b77011c3ead9791df3db27d0f29bc9a2facf667b8e7c9cea1cd783c514e41f
547c0251567675d9
2c7f24be4e2b5d04f1f9a02a8a66810d6fa6409179d7825e2554aa6cd9efeec9
12e9ebc4ee778433
a9c7d67a038f8f0a8980a1bbf81a1cafc084ff6855ebb65fd49dab548d6ec78d
f587b378a600a25a
c73c7c30d7e478b89efda200ba96e7dd8dc8617e6e1cb3b8b96f2205b0f01f5c
40c0d64e7185059a
1c5846bedd4db5de124ac6c1bad06c3d9f8c16907dfefc319759ce18703f0255
$ niceblack.sh $BH $BC
____ __ __ ______
/ __ \/ // / / ____/
/ /_/ / // /_/___ \
\__, /__ __/___/ /
/____/ /_/ /_____/
_____________
/ ____< / __ \
/___ \ / / / / /
____/ // / /_/ /
/_____//_/\____/
,----- .123 4567 89ab cdef -----,
| |
| .. .... .... .... .... .f |
| 1. .... 138b f.5a 1c29 1f |
| 2. 24fe 1d68 eaf. d28c 2f |
| 3. e623 f1cc 9719 a772 3f |
'=== ==== ==== ==== ==== ==='
jk: a772 d996 95