Hey there,
i joined linkshrink yesterday and it is working pretty well. High CPM rates, minimalistic but nice user interface and some real useful tools to monetize a porn related site. I asked the support if they're really ok with adult related content and yes they are. Minimum payout is 5$ via PayPal and Paxum.
"...When your account reaches the minimum amount of $5.00 or more, you may request your earnings by clicking the above button. The payment is then sent to your Paypal/Payza account during business days no longer than 4 days after requesting. Please do not contact us regarding payments before due dates...."
Current CPM rates:
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LinkShrink.net - Earn money sharing shrinked links!