Peter used those Keys to open the gospel to the Jews on Pentecost and then to the gentiles (Acts 10)
The Church was in Jerusalem not Rome, we can see what part Peter played in the Church there, it is very evident that his word was taken as gospel by the leaders in the Church, including James.
Actually Peter had been a part of the problem of being a Judaizer and had to be confronted by Paul for causing division in the church (read Gal 2:11)
The Jerusalem council was after that confrontation.. and by the way James was in charge and made the final decision ... not Peter
The scriptures does not connect Peter with Rome unless Babylon is referring to Rome which is just something else to argue about.
Well one thing I know is Rome is "babylon " now
Actually Peter had been a part of the problem of being a Judaizer and had to be confronted by Paul for causing division in the church (read Gal 2:11)
Jesus said if a brother sins against you or in some versions it just says sins, that you are to go to him alone and tell him about it just between you and him, but in fact Paul told the whole world.
Well one thing I know is Rome is “babylon “ now>>>>>>
I believe it is the mother Church which are the Catholic Church and her daughters the Protestants.
Honestly I wish I did not believe some of the things I do and not really educated enough on it to know if I understand it correctly or not.
But on the other hand we might be better off ( at least speaking for myself if we knew nothing but the gospel of Jesus.