If you adopted the ways over now you have to be able to produce and confirm the correctness of BIP-39 seeds by yourself (with nominal assistance from tools like binary to hex to decimal converters). Retail outlet your phrase on the Bodily medium, like paper or maybe a steel backup, https://wearethelist.com/story20689530/how-much-you-need-to-expect-you-ll-pay-for-a-good-bip39-definition