I waited this year until I was age 70 to maximize the amount of Social Security that my wife will get when I die, as on her own she will receive 30% less than I receive. She is only age 63. If she waits until she reaches FRA at 66 + 4 months, and I die after that, can you confirm that she will receive the current amount that I am receiving at the time, the DRC (delayed retirement credit). If you talk or chat with an agent, they always talk about the FRA, but I read the regulations, and although not very clear, it says that she will get the greater of either her benefits at the time of my death, or my benefits at the my death.
Part 2: Is there a better strategy?
If you die before your wife and she's at least full retirement age (FRA) when you die, then yes she'll get your full benefit rate inclusive of DRCs unless her own benefit rate is higher than yours. In other words, she'd receive the higher of your rate or her own rate, not both.
It sounds like the only decision left for you and your wife is when she should start drawing her benefits. There are a number of variables involved in making that decision, and which strategy is 'best' is largely a matter of personal opinion. Your wife may want to strongly consider using our software (https://maximizemysocialsecurity.com/purchase) to compare her options so that she can make the best possible decision on when to start drawing her benefits.