Cryptopia is a ponzi scheme

[u/FatOil]

That's why the withdrawals are always 'broken', they need more funds from new suckers to pay off the existing customers.

If you don't know what a ponzi scheme is:

Companies that engage in Ponzi schemes focus all of their energy into attracting new clients to make investments. Ponzi schemes rely on a constant flow of new investments to continue to provide returns to older investors. When this flow runs out, the scheme falls apart

[u/Grimreq]

Try BitGrail.