# on receiving block 936880 here
$ date -u '+%Y-%m-%dT%H:%M:%SZ'
2026-02-16T09:17:38Z
# as written in the block header
2026-02-16T09:17:17Z
$ uptime # since last reboot
09:17:38 up 19 days, 20:43, 0 users, load average: 2.05, 1.70, 1.75
$ battery.sh
95%, Power Supply Online
$ uname -smnr
Linux singer 6.18.2-0-lts x86_64
$ grep ^MemAvailable /proc/meminfo
MemAvailable: 2422308 kB
$ du -h -d1 .bitcoin/
12.0G .bitcoin/indexes
4.2G .bitcoin/signet
88.8M .bitcoin/wallets
97.8G .bitcoin/blocks
18.6M .bitcoin/regtest
10.7G .bitcoin/chainstate
124.8G .bitcoin/
$ df -h .
Filesystem Size Used Available Use% Mounted on
/dev/sda3 911.4G 433.4G 477.0G 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 getblockcount); echo $BC
936880
$ BH=$(bitcoin-cli getblockhash 936880); echo $BH
0000000000000000000016ecba099527667a30799c5dd3eb94b0ff5fb02e3f84
$ bitcoin-cli getblockheader 0000000000000000000016ecba099527667a30799c5dd3eb94b0ff5fb02e3f84
{
"hash": "0000000000000000000016ecba099527667a30799c5dd3eb94b0ff5fb02e3f84",
"confirmations": 1,
"height": 936880,
"version": 826548228,
"versionHex": "31442004",
"merkleroot": "b85bb4f4d4d204ba3e24ffea11738e3fcd1d2fc7fbf769cc350960e2fa067e16",
"time": 1771233437,
"mediantime": 1771232284,
"nonce": 1151745474,
"bits": "17023c7e",
"target": "000000000000000000023c7e0000000000000000000000000000000000000000",
"difficulty": 125864590119494.3,
"chainwork": "00000000000000000000000000000000000000010fbd95bbd3cdd98004741e6e",
"nTx": 638,
"previousblockhash": "000000000000000000010d87119a54e507a9ef4c0670a4fc1c3b761396404498"
}
$ echo $BH | tr 0 . | fold -w 4 | paste -d " " - - - -
.... .... .... ....
.... 16ec ba.9 9527
667a 3.79 9c5d d3eb
94b. ff5f b.2e 3f84
$ : 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
936880 sf: ba.9 3.79 94b. b.2e 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 .
936880 sk: 3f84 75
$ : 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 .
936880 ak: c432 75
### niceblack moved to the end
$ bitcoin-cli getmempoolinfo
{
"loaded": true,
"size": 12564,
"bytes": 2474686,
"usage": 19863152,
"total_fee": 0.00300374,
"maxmempool": 300000000,
"mempoolminfee": 0.00000100,
"minrelaytxfee": 0.00000100,
"incrementalrelayfee": 0.00000100,
"unbroadcastcount": 0,
"fullrbf": true,
"permitbaremultisig": true,
"maxdatacarriersize": 100000
}
$ gmm.sh
120
## Current epoch estimation is +14.3%
## 1456 of 2016, i.e. 72%, 560 to go
## Current and previous two in numbers:
$ bitcoin-cli getnetworkhashps 2016
1.029786239465689e+21
$ bitcoin-cli getnetworkhashps 2016 935423
9.009048549126172e+20
$ bitcoin-cli getnetworkhashps 2016 933407
1.013538089664451e+21
$ bitcoin-cli gettxoutsetinfo muhash
{
"height": 936880,
"bestblock": "0000000000000000000016ecba099527667a30799c5dd3eb94b0ff5fb02e3f84",
"txouts": 164281341,
"bogosize": 12873403445,
"muhash": "c8cce568042d1fb35ecdc7ce36a4ee52d83d8ffde6f319434f880763369836f3",
"total_amount": 19990023.03185792,
"total_unspendable_amount": 230.09314208,
"block_info": {
"prevout_spent": 1225.99279894,
"coinbase": 3.13309626,
"new_outputs_ex_coinbase": 1225.98470268,
"unspendable": 0.00000000,
"unspendables": {
"genesis_block": 0.00000000,
"bip30": 0.00000000,
"scripts": 0.00000000,
"unclaimed_rewards": 0.00000000
}
}
}
$ bitcoin-cli getblockstats 936880
{
"avgfee": 1270,
"avgfeerate": 3,
"avgtxsize": 551,
"blockhash": "0000000000000000000016ecba099527667a30799c5dd3eb94b0ff5fb02e3f84",
"feerate_percentiles": [
1,
1,
2,
2,
3
],
"height": 936880,
"ins": 1848,
"maxfee": 77100,
"maxfeerate": 300,
"maxtxsize": 65488,
"medianfee": 288,
"mediantime": 1771232284,
"mediantxsize": 224,
"minfee": 110,
"minfeerate": 1,
"mintxsize": 150,
"outs": 1739,
"subsidy": 312500000,
"swtotal_size": 308355,
"swtotal_weight": 693597,
"swtxs": 581,
"time": 1771233437,
"total_out": 122598470268,
"total_size": 351050,
"total_weight": 864377,
"totalfee": 809626,
"txs": 638,
"utxo_increase": -109,
"utxo_size_inc": -5826,
"utxo_increase_actual": -138,
"utxo_size_inc_actual": -8707
}
$ bitcoin-cli getnettotals
{
"totalbytesrecv": 2150584784,
"totalbytessent": 4758786827,
"timemillis": 1771233458684,
"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 v30.2.0 - server 70016/Satoshi:30.2.0/
ipv4 npr total block libre
in 16 1 17
out 14 0 14 2 4
total 30 1 31
Local services: witness, compact filters, network limited, p2p v2, libre
Local addresses: n/a
$ bitcoin-cli -addrinfo
{
"addresses_known": {
"ipv4": 62434,
"ipv6": 0,
"onion": 0,
"i2p": 0,
"cjdns": 0,
"total": 62434
}
}
$ halving.sh 936880
=====================================
Bitcoin Block Halving prediction
=====================================
bc=936880
gbt=1231006505
bbt=1771233437
This is average time to mine a block
(1771233437-1231006505)/936880
bts=576.6227856045751808394022
Now let's multiply that by 1050000
which is the block number of next
halving and get the prediction:
Sun Mar 12 08:03:26 UTC 2028
-------------------------------------
Next palindrome will be 937739
predicted to happen at this time:
Sun Feb 22 02:52:35 UTC 2026
-------------------------------------
Current mining epoch number is 464.
The next fortnight happens in block
937440 and probably around this time:
Fri Feb 20 02:59:05 UTC 2026
### v2_peerinfo are in v2_peerinfo-bitcoin.txt
$ bitcoin-cli getpeerinfo | grep -w 'v2' | uniq -c
16 "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
ca74e9bc306ed1c3
28ace9bcb4c45fd1721789c7bd99f0e4d183b66d5f3b51f67bcd9b6ab2373c07
93265ef701264b19
18a68d9395aa9bde59aadcb320bc15ef75c1908d838282005bc34daef04ebb3d
65672643f43f12f2
c22c850b839fead41ce4ed57283aa9e4327d304b8df22011fb53e49dd53d274f
6f31b68b09595ca5
2edce334d42a59dc77eecd5b73f5aa387866bb6e550b0d782138f0fb847b2216
3101a929c4ef7f43
0a840c3f5649516567fa5de799a61fc8817104d0c8768d924a9faa4781e51991
ae6ab050bec1b956
d38063a484f9146c29902f5bf6d99ffe33069a77cac032fbc3703d32b32d1cdf
07bc06c27fa267fc
9d12238a5a62e19bd9cef67e848e5956332df6bf8b4243818bad3e5e7f1401bc
90879f9dded8d431
c5a9c3c6188a236cac8d8855cfad4e8554b939e20aa0ddfed760fa97d7caf139
7b9a1ca6d304d08a
18b6461474d64ae112633ff0d7faea4030e10ef27c4482f385a2feff7d7c7040
59707001ecbe48ad
aa7dbf861bbe1f5b2f7ada9f80c906494df63ce214427be46795a46c53ed1347
93f43076b3bb3924
91625bd0e86d4f77f9fb05759dfbd96972706b88cb278eabe0560c973af889ee
952c29ffb60124fb
d3f4eaecb223c827668ab8084129c9b55d676583423553499defc3069f2b3761
4b6fbc47281ce046
9c177312d367cc1e0d0209a923900c3f9e8d4bd5367040c3a33d8ddacf07b664
4ab4393568386490
815f54d376d8a43667232a14cf6510e8392440898ee4f3bd5db8c9399bc68dec
b5cc717fb5b97c23
5c52cb5205eef5b2b9ae4aa2c4af76d44fef1b1dd223324e45e4f94b5a0d3960
4d868b2d6cb9b4dc
66617f35bbff029eb05cb756a04516122c334af877fb682927118e8e14e3e83d
$ niceblack.sh $BH $BC
__ __ __
/ / / /__ ____/ /__
/ _ \/ / _ \/ __/ '_/
/_.__/_/\___/\__/_/\_\
___ ____ ____ ___ ___ ___
/ _ \|_ // __/( _ )( _ )/ _ \
\_, //_