Excuse me, could you please elaborate on what you mean by "the strongest silver chain"? Are you referring to the durability, weight-bearing capacity, or perhaps the resistance to tarnishing? If it's about durability, typically, thicker chains with stronger links will hold up better over time. However, it's also important to consider the purity of the silver, as higher purity can sometimes make the chain more delicate. Additionally, specific design elements like clasps and links can also play a role in the overall strength of the chain. Could you provide any more context or specific requirements to help me give you a more accurate answer?