If you give the gold chain to someone else, and then steal it, it may be a violation of public security management or a criminal offence, and you need to bear corresponding legal responsibilities according to the actual situation and relevant laws and regulations. Please check and determine the specific situation according to the actual situation.

Relevant laws and regulations:

People's Republic of China (PRC) Public Security Administration Punishment Law

Article 49 Whoever steals, swindles, robs, robs, extorts or intentionally damages public or private property shall be detained for not less than five days but not more than ten days, and may also be fined not more than 500 yuan; If the circumstances are serious, he shall be detained for more than 10 and less than 15, and may also be fined less than 1000 yuan.

Criminal law of the people's Republic of China

Article 264 Whoever steals a large amount of public or private property, or repeatedly steals, enters a house, carries a weapon or pickpockets, shall be sentenced to fixed-term imprisonment of not more than three years, criminal detention or public surveillance, and shall also, or shall only, be fined; If the amount is huge or there are other serious circumstances, he shall be sentenced to fixed-term imprisonment of not less than three years but not more than ten years and shall also be fined; If the amount is especially huge or there are other especially serious circumstances, he shall be sentenced to fixed-term imprisonment of not less than 10 years or life imprisonment, and shall also be fined or confiscated.