There are no similarities that I see between BLM and white nationalists.
Aren’t both organizations fighting perceived oppression?
Since you apparently don't like to use google, the white nationalists want to be segregated to avoid racial issues.
BLM is a human rights organization against racism and police brutality. So they have very different takes on race relations.
en.wikipedia.org
White nationalism is a type of
nationalism or
pan-nationalism which espouses the belief that
white people are a
race[1] and seeks to develop and maintain a white racial and
national identity.
[2][3][4] Its proponents identify with and are attached to the concept of a white nation, or a "
white ethnostate".
[5]
en.wikipedia.org
Black Lives Matter (
BLM) is an international
human rights movement, originating from within the
African-American community, which campaigns against violence and
systemic racism towards
black people. BLM regularly holds
protests speaking out against
police brutality and
police killings of black people, and broader issues such as
racial profiling, and
racial inequality in the United States criminal justice system.
[1]