EX-31
Rule 13a-14(d)/15d-14(d) Certifications.





I,
Anthony Sfarra, certify that:



1. I
have reviewed this report on Form 10-K and all reports on Form 10-D required to
be filed in respect of the period covered by this report on Form 10-K of the
BANK 2020-BNK25 (the "Exchange Act periodic reports");



2.
Based on my knowledge, the Exchange Act periodic reports, taken as a whole, do
not contain any untrue statement of a material fact or omit to state a material
fact necessary to make the statements made, in light of the circumstances under
which such statements were made, not misleading with respect to the period
covered by this report;



3.
Based on my knowledge, all of the distribution, servicing and other information
required to be provided under Form 10-D for the period covered by this report
is included in the Exchange Act periodic reports;



4.
Based on my knowledge and the servicer compliance statements required in this
report under Item 1123 of Regulation AB, and except as disclosed in the
Exchange Act periodic reports, the servicers have fulfilled their obligations
under the servicing agreements in all material respects; and



5. All
of the reports on assessment of compliance with servicing criteria for
asset-backed securities and their related attestation reports on assessment of
compliance with servicing criteria for asset-backed securities required to be
included in this report in accordance with Item 1122 of Regulation AB and
Exchange Act Rules 13a-18 and 15d-18 have been included as an exhibit to this
report, except as otherwise disclosed in this report. Any material instances of
noncompliance described in such reports have been disclosed in this report on
Form 10-K.



In
giving the certifications above, I have reasonably relied on information
provided to me by the following unaffiliated parties:



National
Cooperative Bank, N.A., as NCB Master Servicer, CWCapital Asset Management LLC
as General Special Servicer, National Cooperative Bank, N.A., as NCB Special
Servicer, Wilmington Trust, National Association, as Trustee, Pentalpha
Surveillance LLC, as Operating Advisor, CoreLogic Solutions, LLC., as Servicing
Function Participant, Computershare Trust Company, National Association, as
Servicing Function Participant for the Certificate Administrator, Computershare
Trust Company, National Association, as Servicing Function Participant for the
Custodian, Rialto Capital Advisors, LLC, as Special Servicer for the Park Tower
at Transbay Mortgage Loan, Wilmington Trust, National Association, as Trustee
for the Park Tower at Transbay Mortgage Loan, Park Bridge Lender Services LLC,
as Operating Advisor for the Park Tower at Transbay Mortgage Loan, CoreLogic
Solutions, LLC, as Servicing Function Participant for the Park Tower at
Transbay Mortgage Loan, Computershare Trust Company, National Association, as
Servicing Function Participant for the Custodian for the Park Tower at Transbay
Mortgage Loan, Situs Holdings, LLC, as Special Servicer for the Jackson Park
Mortgage Loan, Wilmington Trust, National Association, as Trustee for the
Jackson Park Mortgage Loan, CoreLogic Solutions, LLC., as Servicing Function
Participant for the Jackson Park Mortgage Loan, Computershare Trust Company,
National Association, as Servicing Function Participant for the Custodian for
the Jackson Park Mortgage Loan, KeyBank National Association, as Primary
Servicer for the Parklawn Building Mortgage Loan, LNR Partners, LLC, as Special
Servicer for the Parklawn Building Mortgage Loan, Wilmington Trust, National
Association, as Trustee for the Parklawn Building Mortgage Loan, Park Bridge
Lender Services LLC, as Operating Advisor for the Parklawn Building Mortgage
Loan, Computershare Trust Company, National Association, as Servicing Function
Participant for the Custodian for the Parklawn Building Mortgage Loan, KeyBank
National Association, as Special Servicer for the Sacramento Office Portfolio
Mortgage Loan, Wilmington Trust, National Association, as Trustee for the
Sacramento Office Portfolio Mortgage Loan, Park Bridge Lender Services LLC, as
Operating Advisor for the Sacramento Office Portfolio Mortgage Loan, CoreLogic
Solutions, LLC., as Servicing Function Participant for the Sacramento Office
Portfolio Mortgage Loan, Computershare Trust Company, National Association, as
Servicing Function Participant for the Custodian for the Sacramento Office
Portfolio Mortgage Loan, KeyBank National Association, as Primary Servicer for
the Bellagio Hotel and Casino Mortgage Loan, Situs Holdings, LLC, as Special
Servicer for the Bellagio Hotel and Casino Mortgage Loan, Park Bridge Lender
Services LLC, as Operating Advisor for the Bellagio Hotel and Casino Mortgage
Loan, Computershare Trust Company, National Association, as Servicing Function
Participant for the Custodian for the Bellagio Hotel and Casino Mortgage Loan,
CWCapital Asset Management LLC, as Special Servicer for the 55 Hudson Yards
Mortgage Loan, Wilmington Trust, National Association, as Trustee for the 55
Hudson Yards Mortgage Loan, CoreLogic Solutions, LLC, as Servicing Function
Participant for the 55 Hudson Yards Mortgage Loan, Computershare Trust Company,
National Association, as Servicing Function Participant for the Custodian for
the 55 Hudson Yards Mortgage Loan, LNR Partners, LLC, as Special Servicer for
the 1412 Broadway Mortgage Loan, Wilmington Trust, National Association, as
Trustee for the 1412 Broadway Mortgage Loan, Park Bridge Lender Services LLC,
as Operating Advisor for the 1412 Broadway Mortgage Loan, CoreLogic Solutions,
LLC., as Servicing Function Participant for the 1412 Broadway Mortgage Loan,
Computershare Trust Company, National Association, as Servicing Function
Participant for the Custodian for the 1412 Broadway Mortgage Loan, Rialto Capital
Advisors, LLC, as Special Servicer for the Chroma Apartments Mortgage Loan,
Wilmington Trust, National Association, as Trustee for the Chroma Apartments
Mortgage Loan, Park Bridge Lender Services LLC, as Operating Advisor for the
Chroma Apartments Mortgage Loan, CoreLogic Solutions, LLC, as Servicing
Function Participant for the Chroma Apartments Mortgage Loan, Computershare
Trust Company, National Association, as Servicing Function Participant for the
Custodian for the Chroma Apartments Mortgage Loan, KeyBank National
Association, as Primary Servicer for the 1633 Broadway Mortgage Loan, Situs
Holdings, LLC, as Special Servicer for the 1633 Broadway Mortgage Loan,
Pentalpha Surveillance LLC, as Operating Advisor for the 1633 Broadway Mortgage
Loan, Computershare Trust Company, National Association, as Servicing Function
Participant for the Custodian for the 1633 Broadway Mortgage Loan, Midland Loan
Services, a Division of PNC Bank, National Association, as Primary Servicer for
the 560 Mission Street Mortgage Loan, KeyBank National Association, as Special
Servicer for the 560 Mission Street Mortgage Loan prior to July 6, 2023,
Argentic Services Company LP, as Special Servicer for the 560 Mission Street
Mortgage Loan on and after July 6, 2023, Park Bridge Lender Services LLC, as
Operating Advisor for the 560 Mission Street Mortgage Loan, Computershare Trust
Company, National Association, as Servicing Function Participant for the
Custodian for the 560 Mission Street Mortgage Loan, Midland Loan Services, a
Division of PNC Bank, National Association, as Primary Servicer for the Kings
Plaza Mortgage Loan, Midland Loan Services, a Division of PNC Bank, National
Association, as Special Servicer for the Kings Plaza Mortgage Loan prior to
April 27, 2023, K-Star Asset Management LLC, as Special Servicer for the Kings
Plaza Mortgage Loan on and after April 27, 2023, Pentalpha Surveillance LLC, as
Operating Advisor for the Kings Plaza Mortgage Loan, and Computershare Trust
Company, National Association, as Servicing Function Participant for the
Custodian for the Kings Plaza Mortgage Loan.





Dated:
March 18, 2024





/s/
Anthony Sfarra

Anthony
Sfarra

President

(senior
officer in charge of securitization of the depositor)