Of course he is from Indonesia... They all are! 
All the domains he sells are from the Indonesian domain registry.
And we also have these little details:
From this whatsup short url we can see that it is linked to this mobile number: +6285234733951
The same domain names with the same mobile number were sold by rudolfaxl here:
jcksteve admitted that jokowi and rudolfaxl are his alt accounts:
OK, Jokowi and Rudolfaxl is my alt account on BTCtalk, i think everyone have more than one account's here!!!including you
all account stolen by someone from Indonesian, you don't know anything kid,but you'r create dirty opinion here
Since jokowi has been permabaned since 10/21/2018 we also have a ban evasion here.
jokowi used the bitcoin address 34mUbNQxZTNYSKzr1BXTZuz6m7Naq3PXoV and Telegram username @PoseidonNC to sign up for signature campaigns here.
https://bitcointalk.org/index.php?topic=4862272.msg46745684#msg46745684
All the domains he sells are from the Indonesian domain registry.
And we also have these little details:
You can buy for all domain here :
www.litecoin.id
www.bitcoinwallet.id
www.bitcoincash.id
please call my Whatsapp number https://wasap.at/cK54Jp
www.litecoin.id
www.bitcoinwallet.id
www.bitcoincash.id
please call my Whatsapp number https://wasap.at/cK54Jp
From this whatsup short url we can see that it is linked to this mobile number: +6285234733951
Code:
https://api.whatsapp.com/send?phone=+6285234733951&text=helloo%20bitcoinwallet.id
The same domain names with the same mobile number were sold by rudolfaxl here:
DOMAIN For SALE >> DARKSEND.COM+ bitcoinwallet.id + ethereumwallet.id + litecoin.id + ethereumclassic.id + bitxapo.com + x24kgold.com[PM please!!] NO DOUBT | NO FAKE | NO SCAM [Call me : +6285234733951 / WA | email : rimbahugamedia@gmail.com]
jcksteve admitted that jokowi and rudolfaxl are his alt accounts:
Jokowi
rudolfaxl
rudolfaxl
OK, Jokowi and Rudolfaxl is my alt account on BTCtalk, i think everyone have more than one account's here!!!including you
all account stolen by someone from Indonesian, you don't know anything kid,but you'r create dirty opinion here
Since jokowi has been permabaned since 10/21/2018 we also have a ban evasion here.
jokowi used the bitcoin address 34mUbNQxZTNYSKzr1BXTZuz6m7Naq3PXoV and Telegram username @PoseidonNC to sign up for signature campaigns here.
https://bitcointalk.org/index.php?topic=4862272.msg46745684#msg46745684