# on receiving block 896990 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2025-05-16T17:17:58Z
# as written in the block header
2025-05-16T17:17:46Z
$ uptime # since last reboot
17:17:58 up 103 days, 4:57, 0 users, load average: 1.20, 1.23, 1.36
$ battery.sh
128%, Power Supply Online
$ uname -smnr
Linux singer 6.6.37-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 1876320 kB
$ du -h -d1 .bitcoin/
11.2G .bitcoin/indexes
1.9G .bitcoin/signet
3.4M .bitcoin/wallets
97.7G .bitcoin/blocks
11.0G .bitcoin/chainstate
121.8G .bitcoin/
$ df -h .
Filesystem Size Used Available Use% Mounted on
/dev/sda3 911.4G 836.4G 74.0G 92% /
$ bitcoind -version
Bitcoin Core daemon version v29.99.0-92b05c17b147
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 getblockcount); echo $BC
896990
$ BH=$(bitcoin-cli getblockhash 896990); echo $BH
00000000000000000001e723c056de14ec03b5525030f3cae08d8aeab4382bda
$ bitcoin-cli getblockheader 00000000000000000001e723c056de14ec03b5525030f3cae08d8aeab4382bda
{
"hash": "00000000000000000001e723c056de14ec03b5525030f3cae08d8aeab4382bda",
"confirmations": 1,
"height": 896990,
"version": 536870912,
"versionHex": "20000000",
"merkleroot": "0c7485e75807ca62b3c86a268028b14895e491c8412e19c05815a39aeff300d2",
"time": 1747415866,
"mediantime": 1747411105,
"nonce": 3173517352,
"bits": "17025ced",
"target": "000000000000000000025ced0000000000000000000000000000000000000000",
"difficulty": 119116256505723.5,
"chainwork": "0000000000000000000000000000000000000000c397ba0e6dd49f3e0899c5a2",
"nTx": 3574,
"previousblockhash": "000000000000000000010b6183026afd9a2f40ab2e9ee05006d31e4c2668fbc4"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... .... .... ....
...1 e723 c.56 de14
ec.3 b552 5.3. f3ca
e.8d 8aea b438 2bda
$ : 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
896990 sf: ...1 c.56 ec.3 5.3. 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 .
896990 sk: 2bda 74
$ : 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 .
896990 ak: f64e 74
### niceblack moved to the end
$ bitcoin-cli getmempoolinfo
{
"loaded": true,
"size": 36911,
"bytes": 25486754,
"usage": 119998640,
"total_fee": 1.14730167,
"maxmempool": 300000000,
"mempoolminfee": 0.00001000,
"minrelaytxfee": 0.00001000,
"incrementalrelayfee": 0.00001000,
"unbroadcastcount": 0,
"fullrbf": true
}
$ gmm.sh
4499
## Current epoch estimation is +2.91%
## 1886 of 2016, i.e. 93%, 130 to go
## Current and previous two in numbers:
$ bitcoin-cli getnetworkhashps 2016
8.772969342665974e+20
$ bitcoin-cli getnetworkhashps 2016 895103
8.524479268489561e+20
$ bitcoin-cli getnetworkhashps 2016 893087
8.821342073060424e+20
$ bitcoin-cli gettxoutsetinfo muhash
{
"height": 896990,
"bestblock": "00000000000000000001e723c056de14ec03b5525030f3cae08d8aeab4382bda",
"txouts": 171587423,
"bogosize": 13431881837,
"muhash": "b5c7d30d7d0a1b64c14ab4dadb78221e68f6129dfb12b8eee660cf9ac9d8209c",
"total_amount": 19865375.85104650,
"total_unspendable_amount": 221.02395350,
"block_info": {
"prevout_spent": 3872.93206492,
"coinbase": 3.40017911,
"new_outputs_ex_coinbase": 3872.65688035,
"unspendable": 0.00000546,
"unspendables": {
"genesis_block": 0.00000000,
"bip30": 0.00000000,
"scripts": 0.00000546,
"unclaimed_rewards": 0.00000000
}
}
}
$ bitcoin-cli getblockstats 896990
{
"avgfee": 7701,
"avgfeerate": 27,
"avgtxsize": 392,
"blockhash": "00000000000000000001e723c056de14ec03b5525030f3cae08d8aeab4382bda",
"feerate_percentiles": [
14,
25,
26,
29,
33
],
"height": 896990,
"ins": 6910,
"maxfee": 871176,
"maxfeerate": 725,
"maxtxsize": 78014,
"medianfee": 7200,
"mediantime": 1747411105,
"mediantxsize": 388,
"minfee": 224,
"minfeerate": 1,
"mintxsize": 150,
"outs": 13392,
"subsidy": 312500000,
"swtotal_size": 1343309,
"swtotal_weight": 3755867,
"swtxs": 3445,
"time": 1747415866,
"total_out": 387265688581,
"total_size": 1402326,
"total_weight": 3991935,
"totalfee": 27517911,
"txs": 3574,
"utxo_increase": 6482,
"utxo_size_inc": 503291,
"utxo_increase_actual": 4080,
"utxo_size_inc_actual": 324943
}
$ bitcoin-cli getnettotals
{
"totalbytesrecv": 345940124,
"totalbytessent": 765713504,
"timemillis": 1747415878948,
"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 v29.99.0-92b05c17b147 - server 70016/Satoshi:29.99.0/
ipv4 npr total block
in 35 2 37
out 11 0 11 3
total 46 2 48
Local addresses: n/a
$ bitcoin-cli -addrinfo
{
"addresses_known": {
"ipv4": 63475,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 63475
}
}
$ halving.sh 896990
=====================================
Bitcoin Block Halving prediction
=====================================
bc=896990
gbt=1231006505
bbt=1747415866
This is average time to mine a block
(1747415866-1231006505)/896990
bts=575.7129792829582459578747
Now let's multiply that by 1050000
which is the block number of next
halving and get the prediction:
Wed Mar 1 06:41:48 UTC 2028
-------------------------------------
Next palindrome will be 897798
predicted to happen at this time:
Thu May 22 02:30:42 UTC 2025
-------------------------------------
Current mining epoch number is 444.
The next fortnight happens in block
897120 and probably around this time:
Sat May 17 14:05:08 UTC 2025
### v2_peerinfo are in v2_peerinfo-bitcoin.txt
$ bitcoin-cli getpeerinfo | grep -w 'v2' | uniq -c
11 "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
0e4b6e8a93b962ee
3b2a050f0536d99c7f3f669085cdf809003d6e6e629cd72f090f63fde91e5feb
051ed1309233d6d4
b1ebd44295d36017d844074d02ff0db216ee3dbfca73d8ce4bddb9f3f10d0e99
fb3293e444cf06aa
113c9be4a042deff182ace2197b429a14a138a8fbee5a9784446faec35ea9c16
ed144ad6efbce128
f0d5f833cca5ee4f585f5dc467ece2e7d242a5b87bc5e344b1a7f7d26b96a1d7
3ea1e8fd7458a1c8
1aea78928f6bbe7adf3446fa251d077b3bdfe13a81968e89ec0110499fd5ee14
2cfa635dc129e27c
563334189277c1afda6d43fefd61a9e93debc1415e27701c3291e16598293d8b
38c4678eae26b01e
d64e17b91a7dee0302c1341d573f2090b9c7f7e364d237e14c10503868dfa940
5b1d7155889ca866
588a81093457f52495190801a5af7f765b3b6d6f9ef05852dec4e8abe9ba1847
a671aca4e3ae30b9
8fc871ad63821a44f891bb03a9674d6ad206b74b1ff1bbb5930d5b8450aba186
0996d5c8cba8ebe4
cb2ba66f04dcc0295a4dfb1c9a3dc307d258f41b07ede3b3975756b8753a8cda
c6356c19ffd682df
6f5e1ffd953768b2b8b1dd85725da4c652dcbede156a89bfd7110678d97b967f
$ niceblack.sh $BH $BC
| | |
_ \ | _ \ _| | /
_.__/_|\___/\__|_\_\
_ ) _ \ / _ \ _ \ \
_ \\_ / _ \\_ /\_ /( |
\___/ _/\___/ _/ _/\__/
,----- .123 4567 89ab cdef -----,
| |
| .. .... .... .... .... .f |
| 1. ...1 e723 c.56 de14 1f |
| 2. ec.3 b552 5.3. f3ca 2f |
| 3. e.8d 8aea b438 2bda 3f |
'=== ==== ==== ==== ==== ==='
ak: f64e 74