to buy bitcoins the main method i use, ill make an actual cash deposit into the bitcoin sellers bank account.
Once you start the transaction on localbitcoins there bank account information will pop up, than just go inside the bank branch and fill out a checking deposit slip like you would normally do except use the sellers name/company & account number.
To confirm, the seller will have you take a picture of the bank reciept and usually have you write on it , No Refunds, or something of that nature, than you upload the picture to them & Your bitcoins will be released to your localbitcoins account within 5 minutes and you can depost directly to nitrogen from there..
Ive never had an issue depositing directly into nitrogen from my localbitcoins account and i pretty much use nitrogen sports book exculsively now a days
When i withdrawl money from nitrogen, i always have it sent to a blockchain address, than i send it to my coinbase account and it goes either directly to my bank account which takes a couple days, or i use my bitcoin debit card coinbase provides
I did about 4 or 5 transactions with circle and they banned me. I used a blockchain address everytime as the middle man, never once directly from a sportsbook or to one. They can still figure it out somehow, so a lot of people are starting to run there bitcoins through "mixers"which kind of "wash" any trace of where they were from . Nitrogen's bitcoins have some type of "stamp" or something of that nature, thats how the exchanges can tell where they came from even if you use blockchain as a middle man.