from some within his own party to abandon bipartisan talks. let's now talk about what is being called one of the largest cryptocurrency heists ever. hackers stole some $600 million worth of digital tokens from the blockchain site poly network, which the firm blamed on a vulnerability in its system. in a letter posted on twitter, it urged the thieves to establish communication and return the hacked assets. joining me now is craig erlam, who's the senior market analyst at 0anda. that is quite a begging tweet, isn't it? this is one of the largest hack attacks in the industry ever, does this security blow knock the efforts for these cryptocurrencies trying to become mainstream? it's definitely a roadblock and definitely something that will be at the forefront of peoples minds when they are considering utilising these networks and this is quite clearly why so