cgminer --scrypt -o pool.synco.in:33550 -u YourWalletAddress -p x or cgminer --scrypt -o stratum+tcp:// pool.synco.in:33550 -u YourWalletAddress -p x

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Their website say this....
Want to mine some SynCoin with us? The process is simple; simply point your miner at
http://synthase.violates.us:33550 --
Your username is your address, and your password can be anything (I like to use a simple 'x').