Is unicode safe?

Can weird characters make systems crash? Like, what if you were to add to youtube or instagram bio

𒈙ဪ﷽𒐩꧅﷽ဪ𒀱𒀰⸻𒈙﷽𒈙꧅𒈙ဪ﷽𒐩꧅﷽ဪ𒀱𒀰⸻𒈙ဪ𒈙﷽⸻

Can this cause any trouble?

submitted by /u/mindful_cheetahh
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from hacking: security in practice https://ift.tt/LsIyTNQ