https://ift.tt/gcWtSa6 the new Coinbase user agreement legally force you to agree to whatever terms they want by blocking access to assets you already own?

Found this on their website, hope it helps & please READ THROUGHLY:

We may terminate the agreement and suspend, restrict, or terminate your access to any or all of the Coinbase Services and/or deactivate or cancel your Coinbase Account, without reason by giving you two months’ notice. You acknowledge that our decision to take certain actions, including limiting access to, suspending, or closing your Coinbase Account, may be based on confidential criteria that are essential for the purposes of our risk management and security protocols.  Coinbase is under no obligation to disclose the details of its risk management and security procedures to you.

7.3 Consequences of Termination or Suspension. On termination of this Agreement for any reason, unless prohibited by applicable law or by any court or other order to which Coinbase is subject in any jurisdiction, you are permitted to access your Coinbase Account:

(A) or ninety (90) days thereafter for the purposes of transferring Digital Currency out of your Digital Currency Wallet(s) and/or out of the Coinbase Platform; and/or

(B) at any point in the six-year period commencing with the date of the termination of this Agreement for the purposes of transferring E-Money out of your E-Money Wallet and/or out of the Coinbase Platform.

You are not permitted to use the Coinbase Services or your Coinbase Account for any other purposes during these periods and we may, at our discretion, limit the functionality of the Coinbase Platform or access to the Site for you accordingly. 

If we suspend or close your Coinbase Account or terminate your use of Coinbase Services for any reason, we reserve the right to require you to re-complete the procedures outlined at Section 3.3 (Identity Verification) before permitting you to transfer or withdraw Digital Currency or E-Money. You may cancel your Coinbase Account at any time by withdrawing all balances in your E-Money Wallet(s) and Digital Currency Wallet(s) and visiting: https://www.coinbase.com/settings/cancel. You will not be charged for cancelling your Coinbase Account, although you will be required to pay any outstanding amounts owed to us. You authorise us to cancel or suspend any pending transactions at the time of cancellation.